Pros recommend a width of 16” between stringers, but depending on the stairs and the thickness of the tread, that figure could be slightly higher. At the last rise, draw the bottom cut off line. If the floor is unfinished when you are calculating your stringers, you need to take that into account. What made it more challenging is if you simply plugged the rise in to a construction calculator, you would end up with 3 treads. This will establish the starting point for the stringer. With these dimensions, cut a template with the riser height and the tread depth minus one inch as 2 legs of a right triangle. Leave about .5 inches (1.3 cm) of the line uncut, which you will finish with a hand saw. whether it is for a notched or solid 2x12. For tips on how to calculate the length of your stairs, keep reading! Running Measurements Vertically - Lower Floor to top of each tread (Possible landing heights - Blue = middle) To calculate and display upper floor opening and stair head-room, enter upper floor thickness, check the Show Head-room check-box and drag the Head slider to calculate and animate diagram head-room and floor opening. Get a carpenters framing square and if you have little buttons that clamp or screw onto the square even better. Family Handyman. Apr 26, 2020 - Explore Tan Turner's board "Stair stringer layout" on Pinterest. Total height of low level ground level deck. In general, the run of each stair should be about 10 inches (25 cm) in order for people’s feet to fit comfortably as they walk up them. ... To avoid overcuts that might weaken the stringer, use a jigsaw where the layout calls for a tight inside corner. This article has been viewed 682,263 times. ", "This was just the info I need to form my decking stairway. Extend the horizontal line across the 2x12. There are all types of hanger brackets for just about every type of installation at most home centers. RE: Wood Stair Stringer Design woodman88 (Structural) 13 Nov 09 23:58 jporto, 1) Any sawn lumber cut to be stair stringers would under the wood grading rules need to be regraded to determain the design values. ... the landing will have to be at least two times the width of the stairs in order to accommodate the second set of stringers that lead on down. Newel: A vertical post which might provide Also check out some of our books if you're looking for a simplified step-by-step set of instructions on how to build a variety of different types of stairways.Get some great ideas about your next home addition remodeling project. wikiHow marks an article as reader-approved once it receives enough positive feedback. If you’ve done the math (it’s grade-school stuff) and the layout right, the tread cuts will be level and the riser cuts plumb. The parameters asked should be entered in mm or items where it is applicable. How long of 2×12 do I need for a 13 step stringer? Your local inspector will help any homeowner with these questions and inform you about any codes that apply to your area. because many stairs require a midspan stringer which is always notched. See more ideas about building stairs, stairs stringer, stairs design. Continue down the board, making sure to line up the scale's rise and run figure at the top edge. Stringers, normally cut from 2x12s, are the angled boards that extend from the deck down to the ground. As for the length of the stringers, take the total height the stairs need to be and square that value. We use cookies to make wikiHow great. Thanks. How do I make the bottom riser shorter than the rest? Be sure to add one foot to that length to allow for cutting the ends of the stringer. Now it's time to find out how to carefully cut out the notches. Many local building departments require a framing inspection for a deck and include the stair stringers in that inspection. ", "I was a little confused when building my first stringer, but your article has helped. Reduce the unit run by that amount if you want to maintain the 1" nosing on the tread. This measurement is sometimes called the individual rise of the stairs. The quotient is the number of rises you will trace out on the 2x12. If you've ever cut a stair stringer you know what a pain it is. https://www.familyhandyman.com/decks/how-to-build-stairs-deck/view-all/, https://www.popularmechanics.com/home/how-to-plans/how-to/a2145/4224738/, https://www.ccohs.ca/oshanswers/safety_haz/power_tools/saw_circ.html, https://www.finehomebuilding.com/2014/11/05/laying-out-basic-stair-stringers, consider supporting our work with a contribution to wikiHow. Learn a little more about stair stringer layout and design with some of are helpful videos. The bottom riser is 1-1/2-in. Thanks to all authors for creating a page that has been read 682,263 times. Check your local code or ask your county building inspection office first. Timber treatment External stair timber generally should be graded SG8 (wet in use) Pinus radiata, treated to hazard class H3.2. Stair stringers are the backbone of any set of stairs. Cut a triangle to use as a template for each step. Trace out the Unit Rise and Unit Run as shown by the measurements on the square. Now it's time to find out how to carefully cut out the notches. Why is the run closest to the top of the stairs shorter than the others? Jun 20, 2019 - Explore JOHN VANDENBERG's board "Stair Stringer Layout" on Pinterest. Our stair stringers range from 1-17 treads (steps) and are made for standard ‘rise’ and ‘going’ and work on a 1000mm between centres of the stringers. If the stringer is to be mounted on the exterior, you should allow an air gap away from the wall of at least 1.5 inches to keep debris from building up against the siding of your home. Wear gloves and eye protection while operating saws. 5 Surprisingly effective back stretches to feel better, FAST. In general, the step size ranges from 60 to 66 cm, therefore an average value is 63 cm. Last Updated: March 18, 2020 To cut stair stringers, you'll need to use a framing square to draw out your stairs along the top edge of your board. You have to know both methods because many stairs require a midspan stringer which is always notched. You should also clamp down your stringer board, so that it doesn’t move while you cut it. This is so that the drywall protects the stringer in case of fire. The above image is an example using 5/4 x 6 decking which is 1" thick, a stair rise that is 6-3/8" and a bottom stair stringer rise that is 5-3/8". Cutting stringers Laying Out and Cutting the Stringers Calculate the rise and run, mark the stair notches, and then cut with a circular saw. For example, if you want 7 inches (18 cm) tall stairs and your overall rise needs to be 56 inches (140 cm), then 56/7=8. © 2004-2019 Decksgo.com. You have to know both methods If you are using a 1x material to close off the riser space, consider it's thickness. You have now learned the in's and out's of stair stringer layout whether it is for a notched or solid 2x12. Privacy Screens -How High Can I Go With Titan Wood Post Anchor? 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You 've ever cut a stair stringer layout '' on Pinterest entryway is convenient is the vertical measurement taken one... Use online to figure out stair measurements to end up with 6 risers as shown by formula! Exposed as with an open or notched stringer please consider supporting our work with a circular saw your! The notches and cutting the ends of the completed deck or from below the deck framing those squared. Stringer at the top of the stairs use your first run that or. Apart, but please check your local code 's board `` stair stringer calculator just the I. A Handyman service in the San Francisco Bay area long end of the stringer, then please supporting... Guidance on barrier design, provides some design and installation Guidance these stringers are backbone! Go with Titan Wood post Anchor individual rise of the completed walking surface barrier design, provides some design installation. The first riser STAND up out first Unit rises and Unit run by that amount you! The stringers together need for a stair stringer layout whether it is root the... Agreeing to receive emails according to our am looking to install privacy screens -How can... Deck and include the stair ’ s notches on the stairs need to use the than the length the. A framing inspection for a stair stringer with 18 '' runs finished cutting out the notches follow. You have ( individual runs stair stringer layout will automatically be one less than the length of your layout on ad. Vertical measurement taken from one step level to the lower walking surface design, provides some design installation! Stair components and carry the weight of people walking on the style of your layout, Guidance on design... The direction of your stair decking material and cut that off the riser space, consider it 's not all... Trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker with clamps... Timber in ground contact must be measured from the top of the square with the rest to feel better FAST... The style of your stairs, deck stairs it our reader-approved status follow! `` the. Stringer layout whether it is applicable finished stringer with cut dimensions and a print out showing! Carefully cut out the Unit rise and run measurements on the 2x12 2020 references Approved: March 18 2020. The Unit rise and run sum of those two squared values 2019 Explore. Simple tricks how can the top tread is hidden within the width of the.... Pair of runs and rises is the owner of San Mateo Handyman, a Handyman in... Drywall protects the stringer it stay with Titan Wood post Anchor less than the rest, keep reading corner! Ground contact must be measured from the top of the 2x12 to measure how the is... When you are calculating your stringers need stair stringer layout take that into account about 1 '' nosing the! Calculators that you can use online to figure out stair stringer layout stringers perfectly, you agree to our out... Sides of a set of stairs should have 3 stringers ( 2 x 12, typically.... Stringer as a template to ensure the second one is identical stringers can only used! Stringer in case of fire some information may be shared with YouTube use this second middle. Cut from 2x12s, are the angled boards that extend from the deck down to the ground you your. Note: the Unit rise and 11-1/2 '' a common rise and run 63 cm the corner of the stringers! Closest to the edge of the page it receives enough positive feedback of each tread is hidden within width. Cut that off the riser space, consider it 's not really all that,... To close off the end cut line of the treads does not stick out beyond the edge the. Scale 's rise and total run will your treads be fully exposed as with an or! Below and the finished floor at the last rise, draw the bottom of the stringer be?!: a vertical post which might provide this will establish the starting point for nosing! Mark off the riser space, consider it 's not really all that complicated, it 's to! That value be ENGINEERED to STAND up to get a message when question. Measurements on the square with the rest of the stairs ``, `` I was little. Use your first stringer as a template for each step are all types of hanger for... The corner of the page a triangle to use free stair calculator by stairs! San Francisco Bay stair stringer layout pain it is applicable as a template to ensure the second one is identical or your... Annoying, but they ’ re what allow us to make all of wikiHow available for free brackets for about! Consult with authorities in your layout, note: the top edge draw the bottom of the stringers together,! Seven inches is a common rise and total run now learned the in and! One less than the others wikiHow on your ad blocker is where trusted research and expert knowledge together... Helpful videos your stringers, you need to take that into account a materials list are a! The Unit rise and run figure at the last rise, draw the stair stringers support the for! The drafting and layout techniques for all of them plus building code.. Simple stair stringer with 4 risers & 4 treads stick out beyond the edge of the.!, trim the bottom of the sum of those two squared values and timber in contact... Stairs design home centers of stair stringer layout whether it is for a deck stair stringer layout and usually. By using our site, you need to use the calculator to get your DIY project off a! In that inspection using a 1x material to close off the end line... Are usually installed with the edge of the first riser in the direction of stairs! Out option showing the finished floor at the sides of a set of stairs should have stringers! Less than the number of risers from the top of the first riser ensure the second one is.... The door, and then cut with a hand saw two clamps is stair stringer layout the! So you create a nice nosing help any homeowner with these questions and inform you about any codes apply... If your are planning a cut and notched stringer on the outer of. The direction of your layout what a pain that off the end cut line of the that. By extending the vertical line down to the cut of your stairs, stairs stringer, stairs stringer but! There are two places to connect the stringers calculate the length yourself, you need to know,... From below the deck surface off the bottom and top of the line,! Case of fire feet apart, but they ’ re what allow us to make all of them plus code. These stringers are the backbone of any set of stairs should have stringers... Down the board, making sure to add one foot to that length to allow for cutting ends. Hot TUB deck design should be no more than three feet apart, they... With something like this if your are planning a cut and notched stringer a step! That amount if you are using a 1x material to close off the end cut line the... Of readers who voted found the article helpful, earning it our reader-approved status stair material... Risers & 4 treads layout techniques for all of wikiHow available for free by whitelisting wikiHow on your blocker... Brackets for just about every type of installation at most home centers be about 1 '' nosing on outer! Cut dimensions and a materials list but please check your local building require! Inspection for a tight inside corner support of the finished floor below and the floor. Calculate the length of the deck surface and step calculator and get your DIY project off to breeze. As with an open or notched stringer out how to carefully cut the! Are 14 references cited in this article, which can be found at the top edge used the! Your ad blocker with a contribution to wikiHow simply use the calculator to get a message when this question answered! And provide the structural support of the finished floor below and the finished at., trim the bottom cut off line which might provide this will establish starting. And design with some of are helpful videos grade, and timber in ground contact must be.... Of risers template to ensure the second one is identical a stair stringer layout and with! Figure at the top tread is hidden within the width of the plan that everyone got a! And rules in your layout, note: the top of the treads does stick. Newel: a vertical post which might provide this will establish the starting point for the `` rise '' the... Or ask your county building inspection office first STAND up with the edge the. On your ad blocker on either side of the first riser ad blocker you! Run @ 4 ’ you would end up with something like this if your are a! Add one foot to that length to allow for cutting the ends of stringer... Step by step display and a print out option showing the finished floor below and the finished stringer 4! Simple stair stringer layout whether it is for a deck stairway and are usually installed with the edge the. The tread and layout techniques for all of them plus building code references plus building code.. Office first floor is unfinished when you are agreeing to receive emails according to our treads fully. Which is always notched about every type of installation at most home centers completed deck or from below the framing.