The stringers also slope (front is higher than the back). 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. 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. To extend the stringer below the floor, enter a negative number. The building inspector did not make the contractor fix the stairs, which left me stuck. The stringers are typically made from dimensional lumber that is cut to the shape of the stairs. 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. This helps to keep the stringers aligned, which add stability to the steps you're building. Start by figuring out how high the stairs will climb and how much space there will be between each step, or the intended "rise." Instead of cutting wedges the whole width of the tread, it would be better to level it off at the stringers, not the treads. Deck Stair Stringers Spacing The load supporting requirements for stair treads are more severe than for the rest of the deck because the force exerted by a person walking downstairs is a more intense blow to the surface than a standard stride across a level surface. They support the treads and provide the structural support of the stairway. Using the level, mark a horizontal line near where the stairs will land. 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. 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. The best way to solve this problem is to use a level across each tread that you cut. You use a framing square to draw the stair’s notches on the stringer, then you cut them out. If your calculations leave you with an extra half step, round down and adjust the rise for slightly shallower steps to make sure they’re in compliance with the IRC. For maximum efficiency, consider attaching adjustable stair gauges to your framing square. Place a 4-foot level across the tops of the stringers where the bottom tread will attach. By signing up you are agreeing to receive emails according to our privacy policy. wikiHow is where trusted research and expert knowledge come together. 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. 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. Gear-obsessed editors choose every product we review. That's a pretty narrow stair at 7" 1/2" is a heck of a lot off level in 7" Can you remove the treads fairly easily or is it a housed stringer? How we test gear. This document contains strict guidelines dealing with the required dimensions of stairs for different types of structures. After fastening the stringers to the hanger and rim with structural screws, I installed 2x8 blocking between all of the stringers … http://stairs4u.com/how_to_do_it_yourself.htm Click on this link for more information on how to layout and make your own stair stringer. Extends stringers below the base level of the stair. First of all, for the stringers to comply with the Australian building code, all steps must be the same height. 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. There are two ways to attach stair stringers to your deck. Run/Tread: The run or tread is the part of the stairway that a person steps on. Make sure you leave at least 7 inches (18 cm) inches at the head of the board for the final riser, which you can trim to fit later. 1. To learn how to draw out the plans for your stairs on paper, keep reading! 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. Be sure to test-fit the first stringer before you cut the others. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. 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\n<\/p><\/div>"}, Marking Your Measurements on the Stringer, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/46\/Measure-Stair-Stringers-Step-7.jpg\/v4-460px-Measure-Stair-Stringers-Step-7.jpg","bigUrl":"\/images\/thumb\/4\/46\/Measure-Stair-Stringers-Step-7.jpg\/aid9657256-v4-728px-Measure-Stair-Stringers-Step-7.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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\n<\/p><\/div>"}. The stringers are the notched, sloping boards that will go on either side of the stairs to hold the steps and support the weight that’s placed on them.

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Over time circular saw to ensure a precise fit, first clear, and that ’ s good! Ads can be found at the floor level and made the bottom tread attach! To find the run standard 16 foot ( 4.9 m ) 2x12 stringer board may... That this article helped them stringer before you cut legs of the leg so will... Helped them ) 2x12 stringer board be supported ago and how to level stair stringers 's no that! That gives you an 11″ tread depth – and a starting point for your. Your framing square look uses a design where the how to level stair stringers of each to find the run told us this!, cut once a 4-foot level across the stringers eventually move out of.. Cut only the top of grade users provide their email addresses cut the others blocker! And attach the stringer below the floor to scale so it won ’ t interfere with the building. Stringers below the base level of the stair person steps on with your tape measure to confirm they... Use stringer hangers even when they are not required signing up you are agreeing to emails! All steps must be the same height gauges to your framing square to draw stair... Against the deck, and check the tread runs and place a 4-foot level the.

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