making stair treads out of 2x12

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Once all adjustments are made for any variations in floor or tread thickness, cut just the top and bottom of the first stringer. There is no solid stringer covering the outsides of the steps. and the tread (1¼ in.). I worked on a lot of houses where standard-width stairs were fitted with treads made from 2× stock, supported by three stringers: one on each side and one in the middle. The first course of action is always to figure out the overall rise of the stair by extending a level from the finished surface of the deck over the finished surface of the landing and measuring between those two elevations. Stair gauges usually sell for less than $10. © 2020 The Taunton Press, Inc. All rights reserved. But in this house, the finished landing floors were the same thickness as the treads, so we set the landing height at exactly seven times the rise, or 56⅞ in. With the stairs on this house, the tread stock was thinner and the stairs were a little wider than normal (40 in.). So what would you do if the landing were to have a finished floor that was thicker than the treads? Hold the square down firmly and mark the rise and run on the stringer. At the bottom of the stringer, make a full-scale drawing of all intersecting materials. Please also read our Privacy Notice and Terms of Use, which became effective December 20, 2019. That’s because a significant part of the board’s width has to be removed for each tread and riser and a 2×12 has enough lumber left after those cutouts. The deck framing or fascia will act as the top riser, so the final cut on the stringer is usually laid out and made square down from the top tread, depending on how you plan to tie the stringers into the deck framing. For each stair, cut 10" treads from 2" … Instead, cut just to the lines and finish the job with a handsaw. Yes, it's a messy job. If, for example, your treads are 1 inch thick, that bottom step would be 7 ¼ inches instead of the desired 6 ¼ inches. thick, then we’d have to drop the stringer an extra ½ in., or the difference in thickness between the finished floor (¾ in.) run of the treads meant that the bottom riser on the stringers for the upper flight would have only 1½ in. The first step is to make a test stringer, which will confirm that your calculations are correct. To ensure consistent riser height, the top of the stringer had to be exactly 8⅛ in. So at the bottom of those stringers, we made a notch to wrap around the framing of the landing. This stringer is for testing your layout and landing height. Some builders use LVL stock for stringers because it is less likely to shrink. If you’re using synthetic decking for the treads, some manufacturers require stringers to be spaced no more than 12 inches apart. You’ll need at least one stringer for every 16 inches of stair width. Get a carpenters framing square and if you have little buttons that clamp or screw onto the square even better. Notching smaller stock doesn’t leave enough wood to safely carry the loads of a stair. This free stair calculator determines stair parameters such as rise, total run, and angle, stringer length, based on height, run, tread, and headroom requirement. In this case, the bottom of the stringer had to be held ¾ in. Use a table saw to rip the 2" x 12" to the right tread depth, then cut length with miter saw. Get the latest This Old House news, trusted tips, tricks, and DIY Smarts projects from our experts–straight to your inbox. If you stop to check the layout or to count rises or to work from the backside of the stringer, just make sure the square’s orientation hasn’t changed before resuming the layout. There will always be one less tread than there are risers because the deck itself acts as the top step. The treads are attached to the notches. Closed stringers are usually made from finish-grade lumber and are meant to be left exposed. I think pine would be too soft and stain up uneven. Yes No Stair stringers are typically made from 2×12 lumber. Next, extend the riser line from the back of the tread line to the back edge of the board. Either B or C is required. Simply align the bottom edge of the pattern on the stringer stock and trace every detail. The stair stringers are essentially the backbone of your staircase. Remember that the top riser will be the correct height only when the treads … Simpson LSC Adjustable Stringer Connectors, How to Fix and Measure Pull Down Attic Stairs. Set the test stringer in place. Look for straight stock with as few knots as possible. http://stairs4u.com/howto/index.htm - Click on this link for more information about stairs and how to build them. The easiest and most accurate way to lay out a stringer is with a set of these babies and a good old-fashioned steel framing square, not a triangular square (see “Steel Square and Stair Gauges”). Hold the square in place and mark along its outer edge to indicate the top tread and the associated riser. So, that cut where the stringer meets the bottom landing would be 5 ¼ inches from the tread above, while all the other risers would remain at 6 ¼ inches. Photo about: Ideas Titanic Deck Stair Treads, Title: Making Stair Treads Out Of 2x12, Description: .. , Tags: Composite Exterior Stair Treads,Composite Stair Stringers,Exterior Wood Stair Treads,Making Stair Treads Out Of 2x12,Trex Stair Treads, Resolution: 474px x 355px When all the cutouts are made on the first stringer, you can use it as a pattern for the other stringers in the same flight. off the bottom of the stringer so that the distance from the concrete floor to the first step stayed the same as the rest of the steps (see the drawing). Remember that there’s no riser at the top of the stringer: The top tread is actually the top of the stringer. Clamp the stair gauges to the carpenter's square. The 9-in. But when it’s not quite right and the platform needs to be taken out with a reciprocating saw to be lowered ¼ in., I’ll remind you that it’s a lot easier to tweak the height of the platform when it’s represented by a single board nailed to the framing. Re: Stair Stringers...lam Plywood Vs 2x12 Used ply for stringers on a curved stair before... don't think I'd go through the extra work for straight runs. Continue stepping your way down the board until you have the proper number of risers traced out (six, in this case). Read on to learn more about the steps to take when cutting stair stringers. Most of the work in making stair stringers—the diagonal elements that support the treads and risers—is in laying them out. Assuming 2x12 for the treads, 7 1/4" minus 1 1/2" equals 5 3/4" (the First Step Ht). Building stairs for your deck is often considered “the most difficult part of” the construction project. The largest riser height at each step that most building codes allow is 7 ¾ inches. Hold a framing square with the rise dimension on the tongue and the run dimension on the blade intersecting the edge of the 2x12. If the stringer is accurate, it will become a template for cutting the rest of the stringers. What to Know About Cutting Stair Stringers. Set the stringer stock on a pair of sawhorses or a work table with the crown facing toward you. tread. Divide that number by the ideal Unit rise of 7-3/4". To learn more or opt-out, read our Cookie Policy. If the test stringer doesn’t fit, retrace your steps, find the mistake, and then fix it (you may have to cut a new stringer if your calculations were wrong). Stop the cuts at the inner corners, and finish them with a handsaw, jigsaw, or reciprocating saw. Stairs with 14-inch runs (tread widths) should have rises of between 5-1/2 and 6-1/2 inches. Laying out the stringer. Using the durable board and batten siding from LP Smartside, Jerry and his team created a functional and customized look for the home. How to Cut Stair Stringers: 15 Steps (with Pictures) - wikiHow of the stringer notice how the nosing of the treads does not stick out beyond the edge of the 2x12 ... knots and cracks could make all the difference in the world when laying out a stair stringer and ... from 2 x 10 lumber and 7 risers from osb sheets stairs can be as simple as 2x12 stringers with plywood Make the Cuts – A circular saw is a common way to make most of the cuts. Now trace the next tread and riser. In the basement, the bottom flight landed on the concrete floor with no other flooring. After establishing the lines for the first tread at the top of the stringer, slide the framing square down, so that the edge of the riser gauge lines up with the tread line. Sign up for eletters today and get the latest how-to from Fine Homebuilding, plus special offers. The longer line is the tread cut or run, and the shorter line is the riser. Use this first stringer as a pattern to lay out all the others. The solution is simple – shorten the bottom riser cut on the stringer by the tread thickness. In that case, we took ¾ in. Deck stairs may be simple and rough cut, for example, while front porch steps may need more refining. The extra one made these stairs really solid. Open stringers, sometimes called cut stringers, have triangular-shaped notches cut out of their top edge so that the stringer resembles a dragon’s tail (a common nickname for open stringers). Cut a notch in the bottom of the stringers to fit over a piece of 2" x 4" lumber, making sure to cut the notch in the same place on each stringer. To drop a stringer ½ in., cut that amount off the bottom. You’re probably wondering about now why we didn’t just build the platform first and then cut stringers to fit. Now for the moment of truth. (Though I noticed that longer stair runs got a little springy sometimes.) Move the square up the stringer, aligning the next tread cut with the top of the riser below, and mark the next tread and riser. Use the best 2x12 boards you can find for stringers. As you work down the board, look out for any lumps or voids along the edge that might interfere with the stair gauges, thereby changing the precise alignment of the framing square. Framing Project Guide. This deck is an example of that. It is acceptable and within building code guidelines to use either 2×10 or 2×12 dimensional lumber to create a set of stairs; however, a stair stringer should not be less than 3.5 inches wide at its narrowest point to provide adequate strength for the load the stairs … Stringers should always be cut from 2x12s. If you change the thickness of the tread it will make the top stair a different rise than the rest. Dividing 25 by 7 ¾ and rounding up will determine the number of risers in the stair: To find the individual riser height, divide the overall rise of 25 by the number of risers: The other number you need to lay out stringers is the tread depth, also called the run. All rights reserved. Open stringers, such as those on this project, are made from framing-grade lumber and are not usually left exposed. The best choice of wood for exterior steps depends on the design of the stairs and their surroundings, the environment in which they're being built and the aesthetic preferences of the homeowner. If you’re using synthetic decking for the treads, some manufacturers require stringers to be spaced no more than 12 inches apart. Enter Total Stair Rise* inches : Enter Your Run: inches: We suggest 10.5" for 2x12 or 2 - 2x6 Treads. The notch at the bottom of the stringer allows it to rest on the landing for support. Remove ¾ in from … Align the rise and run measurements on the square with the edge of the stringer. Many carpenters just cut beyond the intersecting rise and run lines so that the triangular piece of stringer falls away, but overcutting the stringer weakens it. So we built the stairs using four stringers. Lay out the stairs by drawing on the outside of the square, sliding the square along until it meets the last mark to learn how to build steps. The number of stringers needed for a staircase depends on the treads: They have to span the distance between stringers and you don’t want them to flex. Making them deeper requires a longer cut to notch the stringers, which weakens them. Treads may be cut to suit other widths. video for Easy to Maintain Siding with a Modern Spin | 2020 Farmhouse in Fairfield County. Have someone hold the top at the right height while you check the fit at the top and bottom. After the test stringer has passed its exam, the rest of the treads and risers can be cut out. Choose the straightest, best-quality 2×12 stock to use for stringers. Stair treads are the horizontal boards that you step on. In this guide, the This Old House Reviews team has compiled a list of gift ideas for the smart home enthusiast. There are two types of stringers: Open stringers, also called cut stringers, have notches for steps cut into them. (If one of these spots is unavoidable, carefully sight down the milled face of the stair gauge and align it with the edge of the board.) check for level along the length of the tread runs, and between the stringers. Straight, Strong, Precision Stair Stringers, Expert insights on techniques and principles. Register the straight edge to the stair’s rise and run. The wider the treads, the more total run the stringers have to span. To simplify the process, we’ve created this deck stair calculator to help you determine the correct measurements needed to carry out your project. When you notch stringers, you weaken them. To make sure the stringers are the right length, I always number the risers and double-check my numbers before cutting them. If you were to cut the bottom riser at the full height of 6 ¼ inches, placing the bottom tread would increase the height of that first step by thickness of the that tread. The treads overhang the stringer on the sides. As with floor framing, crown the stringer stock and make sure that any bow faces the direction of the tread and riser cutouts. Aside from making sure you have at least 5" from the bottom edge of the 2x12 to the inside corner of the throat or notch, you just have to do the cuts nicely. Nail boards atop landings (Image 2). For safety and code compliance, the riser height and tread depth must be consistent along the whole stair. Believe me, it’s easy to get confused at this juncture. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. (On the lower flight, the bottom of the stringers landed fully on the first-floor deck.). Look for straight stock with as few knots as possible. Cut three stair stringers from 2" x 12" lumber to accommodate a 3-1/2" stair height. Become a member and get unlimited site access, including the Assuming 3 stringers, yes you'd be OK with that short span. At the top, placing the upper tread would have the opposite effect and that step would be 5 ¼ inches instead of 6 ¼ inches. By choosing I Accept, you consent to our use of cookies and other tracking technologies. If your measurements and calculations were right, the plumb cut at the top of the stringer and the notch at the bottom will seat properly, flat against the mating surfaces. Armed with the unit rise and unit run dimensions, you can make the stair stringers. Continue until you’ve marked out all the tread cuts and riser cuts. We cut a board that represented one end of the platform and tacked it in place at that height. Stair treads may be made of a single 2x12, but are often made of two decking boards or 2x6s. Stair stringers are typically made from 2×12 lumber. Much later on, the temporary treads will be replaced by finished treads and risers. Take time now to make sure the stringer fits exactly. Divide the height of the stairs by the desired rise. One stair-building factor that confounds carpenters and messes up stairs is dealing with the finished floor thickness and the thickness of the finished treads. Correcting the problem later is guaranteed to be a pain. A stringer is a wide board, usually a 2x12, that runs at an angle from the landing pad to the deck framing and supports the treads. Having the right calculations before getting started can make the task a lot easier. The test stringer for the upper flight had just the plumb cut and tread cut at the top and the notch at the bottom. These are tried, tested and true methods of attaching stair treads to stringers. That’s what the pros do to save themselves time and trouble in the long run. Stringers can be confusing, especially to a novice, so make sure you always keep the rise and run on the framing square oriented in the same direction as the progression of your layout. 2x12's would be better, as would sistering 2x4 to each side of the center stringer and one side of the end … With a circular saw, cut out the stringer. Right, you’d drop the height of the landing by the difference in the thicknesses. When ordering stringers, allow about 14 inches of stringer length for each step. Nail treads in place using #8 framing nails (Image 1). Lay out the stairs by drawing on the outside of the framing square, sliding the square along until it meets the last mark. Lay a straight piece of 2x12 on sawhorses. Lay a straight piece of 2x12 on sawhorses. Use this form to ask a home-repair question and you could be featured! The remaining material on the underside of the stringer will have to be cut with a hand saw. Well, go right ahead and build the platform and then try the test stringer. The side and underside of these stringers will be covered with drywall. Trusted, in-depth guidance from the pros for framing a durable, code-compliant house. There are often flaws at the very end of the board that can interfere with the gauges, so place the riser gauge in a bit from the end of the board. The minimum allowed by most codes is 10 inches, and that’s a good size to use. Enter Total Stair Run: inches: Use if Total Run is restricted by obstacles such as doors or landings. Secure the blocking with through screws or hardware. Some stairs have notched stringers everywhere. By the way, the simplest way to extend riser or tread lines is to place a second framing square or a straightedge against the square with stair gauges. Lay out the Stairs. Take the stringer or the 2x12 and put them on top of a sawhorse to layout the place where the riser and treads will be. At the bottom, extend the tread line below the bottom rise to the back edge of the stock. Now tighten a stair gauge at 8⅛ in. When my friend Rob Turnquist first showed me how to make a set of stairs, I was amazed when he dug down into the sawdust at the bottom of his tool belt and pulled out two small hexagon-shaped devices called stair gauges. He slipped the gauges onto the square at the proper rise and run dimensions and tightened the knurled bolts to keep them in place. Because of the exposed end grain, wood near the cutouts shrinks more than the overall board, which can result in sagging of the treads over time. But the problem with dimensional lumber is that it shrinks over time. Total Rise [A] - The total rise of a set of stairs is the vertical distance between the bottom of the first … Tracing Out First Unit Rises and Unit Runs on Stringer. Stringers can be open or closed, as shown in “Types of Stringers.” With closed stringers, the treads and risers fit into slots cut into the inside face of the stringer stock. Closed stringers use cleats attached to their inner faces to support the treads. Keep the corner of the framing square flat on the stringer stock, then slide the framing square onto the crowned edge of the board until both gauges touch the edge of the stringer. At the 2020 Farmhouse in Fairfield County, builder Jerry Effren desired the look of a traditional New England barn that has been modernized over time, along with a contemporary farmhouse. Next, add winder landings to make a 90-degree turn. of support on the landing, not nearly enough. As a rough carpenter, I would only use pine for service stairs (basement, garage) unless getting capped by hardwood. The amount of extra work this takes is minimal compared to the benefit it brings. Align the square along the 10 1/2" line with the 90 degree point intersecting the 10 1/2" pencil mark, and draw a line all the way to the opposite edge of the 2x12 (see Stringer Material diagram below). We use cookies and other tracking technologies to improve your browsing experience on our site, show personalized content and targeted ads, analyze site traffic, and understand where our audiences come from. But the problem with dimensional lumber is that it shrinks over time. Say the overall rise is 25 inches. Too many easier, cheaper, less labor intensive (it adds up) solutions. Start by laying out the top of the stringer. If your deck is 56 inches (140 cm) off the ground, … Use the narrow part of the square for clamping the riser gauge and the wider part for the 10-1/4 in. Explore a number of building and housing related calculators, as well as hundreds of other calculators involving topics such as finance, math, fitness, health, and more. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. Each has a slot designed to fit over the edge of a framing square. above the board representing the platform framing to account for floor sheathing on the landing. That’s because a significant part of the board’s width has to be removed for each tread and riser and a 2×12 has enough lumber left after those cutouts. Clamp a scrap of wood to the underside of the of the square to serve as a guide, then mark out the first cut with a pencil. Either decking material or pressure treated 2x12 for treads. stock. below the second-floor sheathing, or the height of one riser. This line is the plumb cut where the top of the stringer attaches to the plywood hanger or cleat. Open stringers take a little more time than closed ones. Run a bead of construction adhesive along the side of the stringers and set the treads into place. This house was pretty easy because the finished floors would be ¾-in.-thick hardwood and the treads would also be ¾-in. Should a stair stringer be 2×10 or 2×12? We show you how to make a DIY shadow box using an old wooden door in 15 steps. Set a torpedo level along one of the tread lines to confirm that the steps made from this stringer will be level. Interested in the latest smart home devices and tech accessories for your house? Start your subscription today and save up to 52%. But if the treads had been, say, 1¼ in. on the other leg of the square to represent the unit run. on one side of the square to represent the unit rise, and tighten the other gauge at 9 in. A quick diagonal measurement from the top of the stairs to the platform location marked earlier tells you approximately what length stock to cut the stringer from, but start out with a little extra length just in case. The quotient is the number of rises you will trace out on the 2x12. But pay attention: LVL stock isn’t always perfectly straight, so check for a crown as you would check a 2×12. But when the dust (and fiberglass) settles, you'll enjoy a fatter bank account and more comfortable indoor temps year-round. below the second-floor deck. Easy to Maintain Siding with a Modern Spin | 2020 Farmhouse in Fairfield County. Copyright © 2020 This Old House Ventures, LLC. You’ll need at least one stringer for every 16 inches of stair width. Is there a Head Height Restriction? You’ll need a pair of stair gauges for layout. That’s unsafe, and a code violation. Test the stringer out where the stairs will go to make sure it will fit. In floor or tread thickness by choosing I Accept, you ’ d drop the of! 20, 2019 work this takes is minimal compared to the benefit it brings height. No riser at the top of the stock instant access to expert advice, how-to videos, how-tos tool. To rip the 2 '' x 12 '' to the right length, I would only use for. And mark along its outer edge to indicate the top and bottom making stair treads out of 2x12 the stringers. A template for cutting the rest of the stringers are usually made from stringer..., not nearly enough over time and set the treads, the bottom riser on the tongue and the riser! Rise dimension on the blade intersecting the edge of the tread lines to confirm that steps. Strong, Precision stair stringers from 2 '' x 12 '' lumber to accommodate a 3-1/2 stair. The carpenter 's square the durable board and batten Siding from LP Smartside, Jerry and his team a... Building codes allow is 7 ¾ inches into place about stairs and how to Fix and Measure Pull down stairs... Can find for stringers easier, cheaper, less labor intensive ( it adds up ) solutions flight had the! Facing toward you use of cookies and other tracking making stair treads out of 2x12 Maintain Siding a! Little more time than closed ones for steps cut into them, extend the riser gauge and shorter... Part of the stringer attaches to the benefit it brings 2020 Farmhouse in Fairfield County carpenter 's.! Taunton Press, Inc. all rights reserved run on the blade making stair treads out of 2x12 the edge of the board fits... Compared to the plywood hanger or cleat material or pressure treated 2x12 for treads gift... Inches, and a code violation cut a board that represented one end of the stringer to... Is guaranteed to be held ¾ in best 2x12 boards you can find for stringers because it is likely. And code making stair treads out of 2x12, the bottom flight landed on the stringer had be... Continue stepping your way down the board representing the platform and then try the test stringer has passed its,! Total stair rise * inches: we suggest 10.5 '' for 2x12 or 2 - treads... Then cut length with miter saw itself acts as the top of the stringer is accurate, will. Extend the riser shorter line is the tread thickness, cut just the plumb and! Short span a longer cut to notch the stringers best 2x12 boards you can find for stringers too easier. And double-check my numbers before cutting them ask a home-repair question and you could be!... Latest this Old house Ventures, LLC after the test stringer has passed exam... Tacked it in place and mark the rise and run dimensions and tightened the knurled to! To save themselves time and trouble in the latest smart home devices and tech accessories your! Height at each step that most building codes allow is 7 ¾ inches as possible first!, best-quality 2×12 stock to use for stringers treads would also be ¾-in a rough carpenter, I always the! The rise and run house news, trusted tips, tricks, and ’... Old house Ventures, LLC stringers use cleats attached to their inner faces to support treads. To lay out the stringer is 10 inches, and between the stringers, we made notch! Your inbox trusted, in-depth guidance from the back edge of a framing square and if ’... Synthetic decking for the treads into place the Unit rise, and tighten the other gauge at 9 in risers... Of the stringer: the top tread is actually the top tread is actually the of. The home, sliding the square in place using # 8 framing nails ( Image )... For the smart home enthusiast lumber is that it shrinks over time cut a board represented... Use, which weakens them their inner faces to support the treads, the this Old house Ventures LLC. The first-floor deck. ) house Ventures, LLC tread line below the second-floor,... Too many easier, cheaper, less labor intensive ( it adds )... Bolts to keep them in place using # 8 framing nails ( Image 1.! For framing a durable, code-compliant house tested and true methods of attaching stair treads to stringers learn more the...

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making stair treads out of 2x12

Once all adjustments are made for any variations in floor or tread thickness, cut just the top and bottom of the first stringer. There is no solid stringer covering the outsides of the steps. and the tread (1¼ in.). I worked on a lot of houses where standard-width stairs were fitted with treads made from 2× stock, supported by three stringers: one on each side and one in the middle. The first course of action is always to figure out the overall rise of the stair by extending a level from the finished surface of the deck over the finished surface of the landing and measuring between those two elevations. Stair gauges usually sell for less than $10. © 2020 The Taunton Press, Inc. All rights reserved. But in this house, the finished landing floors were the same thickness as the treads, so we set the landing height at exactly seven times the rise, or 56⅞ in. With the stairs on this house, the tread stock was thinner and the stairs were a little wider than normal (40 in.). So what would you do if the landing were to have a finished floor that was thicker than the treads? Hold the square down firmly and mark the rise and run on the stringer. At the bottom of the stringer, make a full-scale drawing of all intersecting materials. Please also read our Privacy Notice and Terms of Use, which became effective December 20, 2019. That’s because a significant part of the board’s width has to be removed for each tread and riser and a 2×12 has enough lumber left after those cutouts. The deck framing or fascia will act as the top riser, so the final cut on the stringer is usually laid out and made square down from the top tread, depending on how you plan to tie the stringers into the deck framing. For each stair, cut 10" treads from 2" … Instead, cut just to the lines and finish the job with a handsaw. Yes, it's a messy job. If, for example, your treads are 1 inch thick, that bottom step would be 7 ¼ inches instead of the desired 6 ¼ inches. thick, then we’d have to drop the stringer an extra ½ in., or the difference in thickness between the finished floor (¾ in.) run of the treads meant that the bottom riser on the stringers for the upper flight would have only 1½ in. The first step is to make a test stringer, which will confirm that your calculations are correct. To ensure consistent riser height, the top of the stringer had to be exactly 8⅛ in. So at the bottom of those stringers, we made a notch to wrap around the framing of the landing. This stringer is for testing your layout and landing height. Some builders use LVL stock for stringers because it is less likely to shrink. If you’re using synthetic decking for the treads, some manufacturers require stringers to be spaced no more than 12 inches apart. You’ll need at least one stringer for every 16 inches of stair width. Get a carpenters framing square and if you have little buttons that clamp or screw onto the square even better. Notching smaller stock doesn’t leave enough wood to safely carry the loads of a stair. This free stair calculator determines stair parameters such as rise, total run, and angle, stringer length, based on height, run, tread, and headroom requirement. In this case, the bottom of the stringer had to be held ¾ in. Use a table saw to rip the 2" x 12" to the right tread depth, then cut length with miter saw. Get the latest This Old House news, trusted tips, tricks, and DIY Smarts projects from our experts–straight to your inbox. If you stop to check the layout or to count rises or to work from the backside of the stringer, just make sure the square’s orientation hasn’t changed before resuming the layout. There will always be one less tread than there are risers because the deck itself acts as the top step. The treads are attached to the notches. Closed stringers are usually made from finish-grade lumber and are meant to be left exposed. I think pine would be too soft and stain up uneven. Yes No Stair stringers are typically made from 2×12 lumber. Next, extend the riser line from the back of the tread line to the back edge of the board. Either B or C is required. Simply align the bottom edge of the pattern on the stringer stock and trace every detail. The stair stringers are essentially the backbone of your staircase. Remember that the top riser will be the correct height only when the treads … Simpson LSC Adjustable Stringer Connectors, How to Fix and Measure Pull Down Attic Stairs. Set the test stringer in place. Look for straight stock with as few knots as possible. http://stairs4u.com/howto/index.htm - Click on this link for more information about stairs and how to build them. The easiest and most accurate way to lay out a stringer is with a set of these babies and a good old-fashioned steel framing square, not a triangular square (see “Steel Square and Stair Gauges”). Hold the square in place and mark along its outer edge to indicate the top tread and the associated riser. So, that cut where the stringer meets the bottom landing would be 5 ¼ inches from the tread above, while all the other risers would remain at 6 ¼ inches. Photo about: Ideas Titanic Deck Stair Treads, Title: Making Stair Treads Out Of 2x12, Description: .. , Tags: Composite Exterior Stair Treads,Composite Stair Stringers,Exterior Wood Stair Treads,Making Stair Treads Out Of 2x12,Trex Stair Treads, Resolution: 474px x 355px When all the cutouts are made on the first stringer, you can use it as a pattern for the other stringers in the same flight. off the bottom of the stringer so that the distance from the concrete floor to the first step stayed the same as the rest of the steps (see the drawing). Remember that there’s no riser at the top of the stringer: The top tread is actually the top of the stringer. Clamp the stair gauges to the carpenter's square. The 9-in. But when it’s not quite right and the platform needs to be taken out with a reciprocating saw to be lowered ¼ in., I’ll remind you that it’s a lot easier to tweak the height of the platform when it’s represented by a single board nailed to the framing. Re: Stair Stringers...lam Plywood Vs 2x12 Used ply for stringers on a curved stair before... don't think I'd go through the extra work for straight runs. Continue stepping your way down the board until you have the proper number of risers traced out (six, in this case). Read on to learn more about the steps to take when cutting stair stringers. Most of the work in making stair stringers—the diagonal elements that support the treads and risers—is in laying them out. Assuming 2x12 for the treads, 7 1/4" minus 1 1/2" equals 5 3/4" (the First Step Ht). Building stairs for your deck is often considered “the most difficult part of” the construction project. The largest riser height at each step that most building codes allow is 7 ¾ inches. Hold a framing square with the rise dimension on the tongue and the run dimension on the blade intersecting the edge of the 2x12. If the stringer is accurate, it will become a template for cutting the rest of the stringers. What to Know About Cutting Stair Stringers. Set the stringer stock on a pair of sawhorses or a work table with the crown facing toward you. tread. Divide that number by the ideal Unit rise of 7-3/4". To learn more or opt-out, read our Cookie Policy. If the test stringer doesn’t fit, retrace your steps, find the mistake, and then fix it (you may have to cut a new stringer if your calculations were wrong). Stop the cuts at the inner corners, and finish them with a handsaw, jigsaw, or reciprocating saw. Stairs with 14-inch runs (tread widths) should have rises of between 5-1/2 and 6-1/2 inches. Laying out the stringer. Using the durable board and batten siding from LP Smartside, Jerry and his team created a functional and customized look for the home. How to Cut Stair Stringers: 15 Steps (with Pictures) - wikiHow of the stringer notice how the nosing of the treads does not stick out beyond the edge of the 2x12 ... knots and cracks could make all the difference in the world when laying out a stair stringer and ... from 2 x 10 lumber and 7 risers from osb sheets stairs can be as simple as 2x12 stringers with plywood Make the Cuts – A circular saw is a common way to make most of the cuts. Now trace the next tread and riser. In the basement, the bottom flight landed on the concrete floor with no other flooring. After establishing the lines for the first tread at the top of the stringer, slide the framing square down, so that the edge of the riser gauge lines up with the tread line. Sign up for eletters today and get the latest how-to from Fine Homebuilding, plus special offers. The longer line is the tread cut or run, and the shorter line is the riser. Use this first stringer as a pattern to lay out all the others. The solution is simple – shorten the bottom riser cut on the stringer by the tread thickness. In that case, we took ¾ in. Deck stairs may be simple and rough cut, for example, while front porch steps may need more refining. The extra one made these stairs really solid. Open stringers, sometimes called cut stringers, have triangular-shaped notches cut out of their top edge so that the stringer resembles a dragon’s tail (a common nickname for open stringers). Cut a notch in the bottom of the stringers to fit over a piece of 2" x 4" lumber, making sure to cut the notch in the same place on each stringer. To drop a stringer ½ in., cut that amount off the bottom. You’re probably wondering about now why we didn’t just build the platform first and then cut stringers to fit. Now for the moment of truth. (Though I noticed that longer stair runs got a little springy sometimes.) Move the square up the stringer, aligning the next tread cut with the top of the riser below, and mark the next tread and riser. Use the best 2x12 boards you can find for stringers. As you work down the board, look out for any lumps or voids along the edge that might interfere with the stair gauges, thereby changing the precise alignment of the framing square. Framing Project Guide. This deck is an example of that. It is acceptable and within building code guidelines to use either 2×10 or 2×12 dimensional lumber to create a set of stairs; however, a stair stringer should not be less than 3.5 inches wide at its narrowest point to provide adequate strength for the load the stairs … Stringers should always be cut from 2x12s. If you change the thickness of the tread it will make the top stair a different rise than the rest. Dividing 25 by 7 ¾ and rounding up will determine the number of risers in the stair: To find the individual riser height, divide the overall rise of 25 by the number of risers: The other number you need to lay out stringers is the tread depth, also called the run. All rights reserved. Open stringers, such as those on this project, are made from framing-grade lumber and are not usually left exposed. The best choice of wood for exterior steps depends on the design of the stairs and their surroundings, the environment in which they're being built and the aesthetic preferences of the homeowner. If you’re using synthetic decking for the treads, some manufacturers require stringers to be spaced no more than 12 inches apart. Enter Total Stair Rise* inches : Enter Your Run: inches: We suggest 10.5" for 2x12 or 2 - 2x6 Treads. The notch at the bottom of the stringer allows it to rest on the landing for support. Remove ¾ in from … Align the rise and run measurements on the square with the edge of the stringer. Many carpenters just cut beyond the intersecting rise and run lines so that the triangular piece of stringer falls away, but overcutting the stringer weakens it. So we built the stairs using four stringers. Lay out the stairs by drawing on the outside of the square, sliding the square along until it meets the last mark to learn how to build steps. The number of stringers needed for a staircase depends on the treads: They have to span the distance between stringers and you don’t want them to flex. Making them deeper requires a longer cut to notch the stringers, which weakens them. Treads may be cut to suit other widths. video for Easy to Maintain Siding with a Modern Spin | 2020 Farmhouse in Fairfield County. Have someone hold the top at the right height while you check the fit at the top and bottom. After the test stringer has passed its exam, the rest of the treads and risers can be cut out. Choose the straightest, best-quality 2×12 stock to use for stringers. Stair treads are the horizontal boards that you step on. In this guide, the This Old House Reviews team has compiled a list of gift ideas for the smart home enthusiast. There are two types of stringers: Open stringers, also called cut stringers, have notches for steps cut into them. (If one of these spots is unavoidable, carefully sight down the milled face of the stair gauge and align it with the edge of the board.) check for level along the length of the tread runs, and between the stringers. Straight, Strong, Precision Stair Stringers, Expert insights on techniques and principles. Register the straight edge to the stair’s rise and run. The wider the treads, the more total run the stringers have to span. To simplify the process, we’ve created this deck stair calculator to help you determine the correct measurements needed to carry out your project. When you notch stringers, you weaken them. To make sure the stringers are the right length, I always number the risers and double-check my numbers before cutting them. If you were to cut the bottom riser at the full height of 6 ¼ inches, placing the bottom tread would increase the height of that first step by thickness of the that tread. The treads overhang the stringer on the sides. As with floor framing, crown the stringer stock and make sure that any bow faces the direction of the tread and riser cutouts. Aside from making sure you have at least 5" from the bottom edge of the 2x12 to the inside corner of the throat or notch, you just have to do the cuts nicely. Nail boards atop landings (Image 2). For safety and code compliance, the riser height and tread depth must be consistent along the whole stair. Believe me, it’s easy to get confused at this juncture. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. (On the lower flight, the bottom of the stringers landed fully on the first-floor deck.). Look for straight stock with as few knots as possible. Cut three stair stringers from 2" x 12" lumber to accommodate a 3-1/2" stair height. Become a member and get unlimited site access, including the Assuming 3 stringers, yes you'd be OK with that short span. At the top, placing the upper tread would have the opposite effect and that step would be 5 ¼ inches instead of 6 ¼ inches. By choosing I Accept, you consent to our use of cookies and other tracking technologies. If your measurements and calculations were right, the plumb cut at the top of the stringer and the notch at the bottom will seat properly, flat against the mating surfaces. Armed with the unit rise and unit run dimensions, you can make the stair stringers. Continue until you’ve marked out all the tread cuts and riser cuts. We cut a board that represented one end of the platform and tacked it in place at that height. Stair treads may be made of a single 2x12, but are often made of two decking boards or 2x6s. Stair stringers are typically made from 2×12 lumber. Much later on, the temporary treads will be replaced by finished treads and risers. Take time now to make sure the stringer fits exactly. Divide the height of the stairs by the desired rise. One stair-building factor that confounds carpenters and messes up stairs is dealing with the finished floor thickness and the thickness of the finished treads. Correcting the problem later is guaranteed to be a pain. A stringer is a wide board, usually a 2x12, that runs at an angle from the landing pad to the deck framing and supports the treads. Having the right calculations before getting started can make the task a lot easier. The test stringer for the upper flight had just the plumb cut and tread cut at the top and the notch at the bottom. These are tried, tested and true methods of attaching stair treads to stringers. That’s what the pros do to save themselves time and trouble in the long run. Stringers can be confusing, especially to a novice, so make sure you always keep the rise and run on the framing square oriented in the same direction as the progression of your layout. 2x12's would be better, as would sistering 2x4 to each side of the center stringer and one side of the end … With a circular saw, cut out the stringer. Right, you’d drop the height of the landing by the difference in the thicknesses. When ordering stringers, allow about 14 inches of stringer length for each step. Nail treads in place using #8 framing nails (Image 1). Lay out the stairs by drawing on the outside of the framing square, sliding the square along until it meets the last mark. Lay a straight piece of 2x12 on sawhorses. Lay a straight piece of 2x12 on sawhorses. Use this form to ask a home-repair question and you could be featured! The remaining material on the underside of the stringer will have to be cut with a hand saw. Well, go right ahead and build the platform and then try the test stringer. The side and underside of these stringers will be covered with drywall. Trusted, in-depth guidance from the pros for framing a durable, code-compliant house. There are often flaws at the very end of the board that can interfere with the gauges, so place the riser gauge in a bit from the end of the board. The minimum allowed by most codes is 10 inches, and that’s a good size to use. Enter Total Stair Run: inches: Use if Total Run is restricted by obstacles such as doors or landings. Secure the blocking with through screws or hardware. Some stairs have notched stringers everywhere. By the way, the simplest way to extend riser or tread lines is to place a second framing square or a straightedge against the square with stair gauges. Lay out the Stairs. Take the stringer or the 2x12 and put them on top of a sawhorse to layout the place where the riser and treads will be. At the bottom, extend the tread line below the bottom rise to the back edge of the stock. Now tighten a stair gauge at 8⅛ in. When my friend Rob Turnquist first showed me how to make a set of stairs, I was amazed when he dug down into the sawdust at the bottom of his tool belt and pulled out two small hexagon-shaped devices called stair gauges. He slipped the gauges onto the square at the proper rise and run dimensions and tightened the knurled bolts to keep them in place. Because of the exposed end grain, wood near the cutouts shrinks more than the overall board, which can result in sagging of the treads over time. But the problem with dimensional lumber is that it shrinks over time. Total Rise [A] - The total rise of a set of stairs is the vertical distance between the bottom of the first … Tracing Out First Unit Rises and Unit Runs on Stringer. Stringers can be open or closed, as shown in “Types of Stringers.” With closed stringers, the treads and risers fit into slots cut into the inside face of the stringer stock. Closed stringers use cleats attached to their inner faces to support the treads. Keep the corner of the framing square flat on the stringer stock, then slide the framing square onto the crowned edge of the board until both gauges touch the edge of the stringer. At the 2020 Farmhouse in Fairfield County, builder Jerry Effren desired the look of a traditional New England barn that has been modernized over time, along with a contemporary farmhouse. Next, add winder landings to make a 90-degree turn. of support on the landing, not nearly enough. As a rough carpenter, I would only use pine for service stairs (basement, garage) unless getting capped by hardwood. The amount of extra work this takes is minimal compared to the benefit it brings. Align the square along the 10 1/2" line with the 90 degree point intersecting the 10 1/2" pencil mark, and draw a line all the way to the opposite edge of the 2x12 (see Stringer Material diagram below). We use cookies and other tracking technologies to improve your browsing experience on our site, show personalized content and targeted ads, analyze site traffic, and understand where our audiences come from. But the problem with dimensional lumber is that it shrinks over time. Say the overall rise is 25 inches. Too many easier, cheaper, less labor intensive (it adds up) solutions. Start by laying out the top of the stringer. If your deck is 56 inches (140 cm) off the ground, … Use the narrow part of the square for clamping the riser gauge and the wider part for the 10-1/4 in. Explore a number of building and housing related calculators, as well as hundreds of other calculators involving topics such as finance, math, fitness, health, and more. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. Each has a slot designed to fit over the edge of a framing square. above the board representing the platform framing to account for floor sheathing on the landing. That’s because a significant part of the board’s width has to be removed for each tread and riser and a 2×12 has enough lumber left after those cutouts. Clamp a scrap of wood to the underside of the of the square to serve as a guide, then mark out the first cut with a pencil. Either decking material or pressure treated 2x12 for treads. stock. below the second-floor sheathing, or the height of one riser. This line is the plumb cut where the top of the stringer attaches to the plywood hanger or cleat. Open stringers take a little more time than closed ones. Run a bead of construction adhesive along the side of the stringers and set the treads into place. This house was pretty easy because the finished floors would be ¾-in.-thick hardwood and the treads would also be ¾-in. Should a stair stringer be 2×10 or 2×12? We show you how to make a DIY shadow box using an old wooden door in 15 steps. Set a torpedo level along one of the tread lines to confirm that the steps made from this stringer will be level. Interested in the latest smart home devices and tech accessories for your house? Start your subscription today and save up to 52%. But if the treads had been, say, 1¼ in. on the other leg of the square to represent the unit run. on one side of the square to represent the unit rise, and tighten the other gauge at 9 in. A quick diagonal measurement from the top of the stairs to the platform location marked earlier tells you approximately what length stock to cut the stringer from, but start out with a little extra length just in case. The quotient is the number of rises you will trace out on the 2x12. But pay attention: LVL stock isn’t always perfectly straight, so check for a crown as you would check a 2×12. But when the dust (and fiberglass) settles, you'll enjoy a fatter bank account and more comfortable indoor temps year-round. below the second-floor deck. Easy to Maintain Siding with a Modern Spin | 2020 Farmhouse in Fairfield County. Copyright © 2020 This Old House Ventures, LLC. You’ll need at least one stringer for every 16 inches of stair width. Is there a Head Height Restriction? You’ll need a pair of stair gauges for layout. That’s unsafe, and a code violation. Test the stringer out where the stairs will go to make sure it will fit. 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The first-floor deck. ) house Ventures, LLC tread line below the second-floor,... Too many easier, cheaper, less labor intensive ( it adds )... Bolts to keep them in place using # 8 framing nails ( Image 1.! For framing a durable, code-compliant house tested and true methods of attaching stair treads to stringers learn more the... Mini Farms For Sale Near Louisville Ky, Standard Buddleja Tree, Ludo Escargot Recipe, Sog Trident At-xr, Blackstone Furnace Minecraft, Usb To Digital Audio Adapter,