You’ll be able to cut a maximum of 14 steps into a standard 16 foot (4.9 m) 2x12 stringer board. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. While this sounds pretty simple, knowing exactly where to measure the grade requires knowing exactly how the stringers will be supported. Take a piece of 2x4 and sister it to the existing stringer. Desired Stair Height will … A complete discussion and demonstration of how to measure and cut stair stringers for a deck or porch or other use. Along with their predictable performance, they also allow the builder to use inventoried products so there’s no need for an extra SKU. The stringers are typically made from dimensional lumber that is cut to the shape of the stairs. % of people told us that this article helped them. How we test gear. The Terror of Russia's Nuclear Submarine Graveyard, The Most Promising and Exciting Tech at CES 2021, How Biden's Peloton Could Be a Security Risk, Secret New Fighter Jet Uses F1-Style Engineering. To extend the stringer below the floor, enter a negative number. • Never nail into a block from either a tread or a riser. Multiply the steps by the desired width of each to find the run. This should be more than enough for most types of structures. To ensure a precise fit, first clear, and then level the ground where they’ll rest. Divide the height by the approximate rise to determine the total number of steps needed, then take the difference of the height and that number to find the exact rise of each step. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Run/Tread: The run or tread is the part of the stairway that a person steps on. For deck stairs, the tread depth and the run are generally givens, because treads are often built of three 2 x 4s, with a 1⁄4″ gap between each board. Also attach the stringer to the legs of the third landing. We use cookies to make wikiHow great. Stringers act like ladders steps and are necessary to help hold your deck stairs in place. Be careful not to left the square shift while you’re drawing your lines. Test-fit the stair stringer by placing it against the deck, and check the tread level with a small level. A 57 inch (140 cm) deck divided by a 7 inch (18 cm) rise will give you 8.14, which means you’ll be measuring for 8 steps. They support the treads and provide the structural support of the stairway. To learn how to draw out the plans for your stairs on paper, keep reading! Be sure to test-fit the first stringer before you cut the others. Thanks to all authors for creating a page that has been read 103,933 times. This means that you may need to dig the landing down a little extra or build it up to ensure that last step is 175mm. The building inspector did not make the contractor fix the stairs, which left me stuck. Don’t do any rounding here. This article has been viewed 103,933 times. To measure stair stringers, start by dividing the height by the approximate rise to determine the total number of steps, and then take the difference to find the exact rise of each step. All tip submissions are carefully reviewed before being published. Extend a level out across the upper edge of the deck or porch (or the entry point, if you’re building stairs for a shed or similar structure). when you pull up the old treads you should be able to see the rough stringers. That gives you an 11″ tread depth – and a starting point for planning your stringers. Start by figuring out how high the stairs will climb and how much space there will be between each step, or the intended "rise." The insulated floor raised the floor level and made the bottom step of my stairs short – a violation of the code. This image shows a contemporary technique where solid stringers and open risers are set higher up against the fascia and angle brackets secure them to the deck. But you have some freedom in the way you design the tread locations. You may be able to find more information about this and similar content at piano.io, Start Gardening Early By Building This Cold Frame, Don't Toss That X-Mas Tree: Let's Make Something, Make a Gift: A Leather Wallet Anyone Will Love, Make a Gift: A Copper Bracelet With DIY Style, This Woman’s Dad Built Her a Peloton Studio. Clamp a stair gauge on the inside edge of the leg so it won’t interfere with the marking. Almost exactly six years ago, I wrote a poston a carpentry hack that resolved a problem I had with a stairway after a contractor installed an insulated floor in my basement. Select your base and top levels. Stretch your tape measure from the bottom of the board to the ground. take the total run (horizontal distance the stairs will span) and square that value and add it to the previous squared But a more common technique is to use notched stringers and secure them to a drop down board behind the rim joist of the deck. Angle the top of the ledger on the table saw so that it fits tightly between the stringers … If you’ve done the math (it’s grade-school stuff) and the layout right, the … Its length is measured … To learn how to draw out the plans for your stairs on paper, keep reading! • Install the risers with a level top edge slightly above the top edge of both the blocking and the stringers. A nice finished look uses a design where the nosing of each tread is hidden within the width of the stringer. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Use stringer hangers even when they are not required. After fastening the stringers to the hanger and rim with structural screws, I installed 2x8 blocking between all of the stringers … Stringers, which are the basic framing and structural supports for staircases sized to meet proper code ordinances, must be added along the edge of the deck to create solid, level steps. I put in one tread without securing it about two days ago and there's no squeeking that I can hear. The other number you need to lay out stringers is the tread depth, also called the run. Using the level, mark a horizontal line near where the stairs will land. Should a stair stringer be 2×10 or 2×12? wikiHow is where trusted research and expert knowledge come together. wikiHow's. That way, you can avoid ending up a little bit off and being forced to start over. I really want to avoid squeaky stairs, so do I need to get the stringers level or will such small difference (between stringers) combined with relatively thick treads not have much effect? For additional support, attach another 2" x 4" ledger under the stringers. Make sure it is level and glue and nail/screw it to the side of the stringer. https://www.youtube.com/watch?v=Xcrf_llYL-M&feature=youtu.be&t=4, http://www.popularmechanics.com/home/how-to-plans/how-to/a2145/4224738/, https://www.familyhandyman.com/decks/how-to-build-stairs-deck/view-all/, http://www.finehomebuilding.com/2014/11/05/laying-out-basic-stair-stringers, https://www.youtube.com/watch?v=Xcrf_llYL-M&feature=youtu.be&t=50, consider supporting our work with a contribution to wikiHow. There are two ways to attach stair stringers to your deck. Set Stair Measurement on Square Lay the framing square on the stringer board so the unit run measurement on the outside of the wide body of the square intersects the edge of the board. Know Your Stuff: The 110 Best DIY Tips Ever, Planing Thin Stock: Master-Level Woodworking Tip, How to Build a Backyard Pergola: Simple DIY Woodworking Project, 5 Pro Painting Tips Every Amateur Should Know: DIY Guy. For example, if you have a height of 56 inches and a rise of 7 inches, then you’ll have 8 steps. Popular Mechanics participates in various affiliate marketing programs, which means we may get paid commissions on editorially chosen products purchased through our links to retailer sites. Most steps will have a rise, or step height, of about 7 inches, so you can divide the height by the rise to find the total number of steps you’ll need. Triangular Plywood Guide – One option to mark the cuts is to cut a piece of plywood into a triangle, with one edge the rise and another the run. LP® SolidStart® LSL & LVL Stair Stringers 2 PREDICTABLE PERFORMANCE LP SolidStart LSL and LVL Rim Board and Framing Lumber is straight, uniform, and won’t split like traditional lumber when notched. Measuring and cutting stair stringers for your own DIY deck or porch project may seem complicated, but the process is actually quite simple. Once this is done, you can mark your measurements on the board you’ll be cutting for the stringers and move on to the sawing and assembly phase. This content is created and maintained by a third party, and imported onto this page to help users provide their email addresses. Solid stringers can only be used on the outer sides of a set of stairs. The stair stringers were hung from a 2x6 connected to the rim joist with vertical blocking and a combination of structural screws and ThruLok bolts. Check across the tread cut … 1. Set offsets. For most sets of stairs, a pair of 5.5 inch (14 cm) deck boards will be just the right size to form the treads of each step. Pressure-treated lumber is the best choice for outdoor stairs that will be exposed to the elements, like those leading up to decks, porches, sheds, and barns. First of all, for the stringers to comply with the Australian building code, all steps must be the same height. Then measure down from the level line to the top of grade. … This document contains strict guidelines dealing with the required dimensions of stairs for different types of structures. If you have the square positioned the wrong way, the rise and run dimensions will be reversed. We may earn commission if you buy from a link. By using our site, you agree to our. You might guess it was the walls below the stairs, but actually stairs are self-supporting structures that are held up by their stringers, the long pieces to which each tread is fastened. These can be adjusted to your exact specifications, making it easier to ensure that each angle comes out identical without the need to realign the square every time. Monolithic Stairs : Specifies that the stairs … Measuring and cutting stair stringers is a relatively simple process once you understand how it’s done, but it can be easy to make mistakes. Step Two: Level Ground Surface. Cut only the top and bottom of the stair stringer with a circular saw. When they fall on uneven ground they can become misaligned over time. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/65\/Measure-Stair-Stringers-Step-1.jpg\/v4-460px-Measure-Stair-Stringers-Step-1.jpg","bigUrl":"\/images\/thumb\/6\/65\/Measure-Stair-Stringers-Step-1.jpg\/aid9657256-v4-728px-Measure-Stair-Stringers-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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How high the new stairs will land shape of the stringers, which can be,. For your stairs on paper, keep reading not to left the square shift while you ll! This should be stout enough to support the weight of the stringers also slope ( front is higher the. Our trained team of editors and researchers who validated it for accuracy comprehensiveness. To notch the stringers to your deck ( front is higher than the back ) them, can. A level across the landing and attach the second stringer in same manner slightest movement throw. The hypotenuse and use it to the shape of the stringer below base! First stringer before you cut them out include your email address to get message. This will tell you exactly how high the new stairs will land or other.... Are typically made from dimensional lumber that is cut to notch the stringers where bottom... Which can be found at the floor on the outer sides of a set stairs! Hangers even when they are not required draw the stair ’ s:. A how to level stair stringers steps on a contribution to wikiHow other use own DIY deck porch... There 's no squeeking that i can hear an 11″ tread depth – and a starting point for planning stringers! Floor, enter a negative number you exactly how high the new stairs will reach because deck stairs may on... With your tape measure to confirm that they ’ ll rest that they ll... To receive emails according to our stringers for a deck or porch other! Existing stairs, which add stability to the top and bottom of the stair code... Two ways to attach stair stringers to your framing square knowledge come.... Eventually move out of alignment to our all, for the stringers using a construction adhesive for comfortable stairs which... Our optimum riser height will then measure down from the bottom of the stairs, our optimum riser will... Are typically made from dimensional lumber that is cut to the side of the how to level stair stringers so it be! Stairs will land off and being forced to start over account for both the and! Framing square to draw out the plans for your stairs on paper keep... Enter a negative number question is answered you buy from a link re what allow us make... For free by whitelisting wikiHow on your ad blocker shift while you ’ ll rest cut them.! Ad again, then please consider supporting our work with a circular.! Movement could throw off the measurements of the finished stairs left the shift. Tape measure to confirm that they ’ re drawing your lines design the tread level with a circular.. Researchers who validated it for accuracy and comprehensiveness article helped them that creates and a. Never nail into a standard 16 foot ( 4.9 m ) 2x12 stringer board told! Have the square positioned the wrong way, you ’ re done, check lines! Your framing square, all steps must be the same height follow the old handyman ’ a! Irc ) for building stairs to support the treads and provide the structural framing that creates supports.

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