Stringer Size. A stair stringer is the structural framing that creates and supports a set of stairs. Interchangeable for left or right applications. well against the deck. Universal Forest Products 279713 4 Step Stair Stringer, 47.5" 5.0 out of 5 stars 3. That is pretty much all there is to cutting a stair stringer. And here is how to cut the end of the stringer to create a great looking finish. The treads overhang the stringer on the sides. 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. 1-2x10: 1-2x12: 2-2x6: 2-2x8: Nosing (min ¾", max 1¼") Inches: Step3. Now find the square root of the sum of those two squared values. The short end of the square (tongue) should be on the rise measurement. Thanks. There are all types of hanger brackets for just about every type of installation at most home centers. ZMAX galvanization offers extra corrosion resistance, suitable for interior and some exterior applications The rise is 25.5" my rise is 6.4" and run is 10" Then, use your first stringer as a template to ensure the second one is identical. Then take the total run (horizontal distance the stairs will span) and square that value and add it to the previous squared value. 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. The rise is 25.5" my rise is 6.4" and run is 10" 6-Step Pressure Treated Southern Yellow Pine Deck Stair Stringer As an alternative, I have thought of ripping some good 2x stock to a net 2x1.5" and gluing/doweling/planing some Interchangeable for left or right applications. Length of Stringers in General Terms. Scabbing something to the 2x8's isn't going to yield a good set of stairs, even if you somehow overcome their dimensional limitations. Sku # 1717144. Last Updated: March 18, 2020 Decks, Patios, Porches, Walkways, Driveways, Stairs, Steps and Docks - 3 Steps - Use 2x10 or 2x12 stringer - Hi, I am connecting 2 decks. LSCZ features a ZMAX® coating for additional corrosion protection. Some stairs have notched stringers everywhere. Made from 18-gauge steel. Instead of placing the 2x12 on the outside of our standard double-2x10 rim joist, I add it to the inside. First, layout your stairway and decide how many steps you think you will need for your stairs. In order to cut your stair stringers perfectly, you need to take the time to measure and lay them out correctly. This article was co-authored by Norman Raverty. 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. References TimberStrand ® LSL Stair Stringers and SturdiStep Stair Treads Specifier’s Guide 9010 | September 2015 2 1¼" 1.3E TimBERSTRand® LSL STAIR STRINGERS Suggested Residential Stringer Attachment Details 40 psf Live Load and 12 psf Dead Load High End (1) 7Minimum throat depths may be reduced by an additional ¼" for 11⁄8" and 14" material depths if 2x4 reinforcement is This deck is an example of that. How do I make the bottom riser shorter than the rest? 1. One Board - 2x12" Deck Joist Size. Once you've finished cutting out the stairs, trim the bottom and top of the stringer to size. Calculate the length of a stringer from total rise, number of risers and known run. Check your local code or ask your county building inspection office first. Outside frame or flush frame Select: Outside Frame; Outside Frame - Flush; Was this calculator helpful? Stringer Attachment. Norman Raverty is the owner of San Mateo Handyman, a handyman service in the San Francisco Bay Area. Total Rise [A] - The total rise of a set of stairs is the vertical distance between the bottom of the first … I've always used 2x12 material for stringers for no other reason than that's what I always use (great reason, huh) and it's strong. But at 7 inches for risers, and say 10 inch for treads, you’ll need a board longer than 14 feet, so you're going to have to purchase 16 feet lumber. Treads may be cut to suit other widths. It really is quite simple. What made it more challenging is if you simply plugged the rise in to a construction calculator, you would end up with 3 … Cut the stringers. This article has been viewed 670,156 times. Consult with authorities in your area to familiarize yourself with your local building codes. Something around 4 feet. Suitable for either solid or notched stringers. My stair manufacturer is now offering CNC machined stringers (rout and wedged "housed" strringers, or standard zig-zag stringers) for about $25 per tread (for the set, not just 1 stringer), including materials (#1 SYP). TimberStrand ® LSL Stair Stringers and SturdiStep Stair Treads Specifier’s Guide 9010 |ember 2015Sept 2 1¼" 1.3E TimBERSTRand® LSL SAIRT STRINGERS Suggested Residential Stringer Attachment Details 40 psf Live Load and 12 psf Dead Load High End (1) Minimum throat depths may be reduced by an additional ¼" for 117⁄8" and 14" material depths if 2x4 reinforcement is Pressure treated Ply-Lam is also available for use as stringers in exterior applications. If your deck is 56 inches (140 cm) off the ground, … LCSZ Adjustable Stair Stringer Connector Features Replaces additional framing and toe-nailing Suitable for most installations on 2x10 or 2x12 header/rim joist May be installed flush with the top of the carrying member or lower on Nosing may extend a maximum of 11 ⁄8" beyond riser 45" maximum 8d (0.131" x 21⁄2") nails, 6" o.c. 00. She would like it to be as high as possible, with. My plan was to pour concrete footings, then run doubled up 2x8 beams setting on the footings, My wife is a stroke victim, and she wants this deck to be as easy as possible for her to walk out on. You will need to remove the thickness of the riser board from the top stair and remove the thickness of the tread board from the bottom stair. Approved. Find outdoor stair stringers at Lowe's today. Using a Little More Math If you would like a little more precise calculation for your stair stringers, then follow the below calculations. The treads overhang the stringer on the sides. Field slopeable to all common stair stringer pitches First, determine the tread depth and riser height. They support the treads and provide the structural support of the stairway. Other options New and used from $18.37. Using the inside measurements on the square adjust the placement of the square so that it aligns exactly with the edge of the board corresponding to your rise and run (6-13/16" of rise and 9-3/4" run from the example above). This article has been viewed 670,156 times. Bracket systems normally use material wider than 2x8, simply because it is necessary to get code-compliant tread dimensions. Leave about .5 inches (1.3 cm) of the line uncut, which you will finish with a hand saw. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. For 30" span with 2x material, you should have a middle stringer - a pair of 2x6's is unsafe for that span, 2x10 is marginal, and 2x12 is OK for load BUT the bounce would be excessive in at least the 2x10 case. FREE Shipping by Amazon. With 35 years of experience we understand quality and will not take shortcuts to reduce By using this service, some information may be shared with YouTube. By using our site, you agree to our. ... You have now learned the in's and out's of stair stringer layout whether it is for a notched or solid 2x12. Mark the edge of the stringer at the corner of the template in the direction of your layout. I said I thought that might make a weak stringer since there isn't too much meat left, but he said he's never had an issue. I was working with another guy the other day who said he always used 2x10's for stringers. 2x6: 2x8: 2x10: 2x12: Double Rim Joist? ", "Clear concise instructions which were easy to follow!". A 42” wide outdoor set of stairs should have 3 stringers (2 x 12, typically). Please Note: Prices, promotions, styles and availability may vary by store and online. Replaces additional framing and toe-nailing Suitable for most installations on 2x10 or 2x12 header/rim joist May be installed flush with the top of the carrying member or lower on the face Interchangeable for left or right applications Then, use a circular saw to cut the lines you marked on the wood, but always complete your cuts with a hand saw to avoid accidentally cutting too far. We use cookies to make wikiHow great. The staircase stringers are classified into 3 types : 1) Routed or Housed Stringers 2) Sawtooth or Open Stringers 3) Mono Stringers. For each stair, cut 10" treads from 2" x … wikiHow is where trusted research and expert knowledge come together. I mount stair stringers directly to 2x12 rim joists or to a header set directly beneath 2x8 or 2x10 rim joists. To calculate the length yourself, you will need to use the. 4.4 out of 5 stars 30. Other options New from $10.00. 2x10: 2x12: Be sure to recalculate any changes before printing. A stair stringer is one of the boards that hold each stair in place. © 2004-2019 Decksgo.com. Should a stair stringer … the length of the stringer Note: after you enter the total rise and the run measurements try different values for number of risers till you get a riser result that you are happy with. You can change this value as many times as you like and hit the calculate button to get the new result. Bilco Basement Door Stair Stringers. Ply Lam is used as a replacement for the dimensional lumber (2x10 or 2x12) most commonly used for Construction-Grade stairs and as a “sub-stringer” for Finished-Grade (veneered) stringers. As for the length of the stringers, take the total height the stairs need to be and square that value. Compare Click to add item "Steel Stair Stringer" to the compare list. Either B or C is required. NOTE: For 3rd Alternative: Subtract additional finished tread thickness for bottom cut (Step 4 (C)). I do have room to lengthen the run a couple of inches if necessary. The treads overhang the stringer on the sides. May be installed flush with the top of the carrying member (typically suitable for 2x10 or 2x12 header / rim board) or lower on the face (typically suitable for a 2x12 header / rim board). Here is one way to trim off those pointy ends so the stairs will tuck in nicely under the overhaing decking boards. The square root is how long your stringers need to be. Add To List Click to add item Steel Stair Stringer to your list. Stair stringers are the backbone of any set of stairs. I just want to put up two 6x6 posts with Titan Wood Post Anchors, either 35 or 70 apart, I am building a 10'x12'deck (not attached to a ledger board). How do I determine how much stair stringers I need for the job? 2x10 2x12 Be sure to recalculate any changes before printing. degree cut for the tread to sit against. Decks, Patios, Porches, Walkways, Driveways, Stairs, Steps and Docks - 3 Steps - Use 2x10 or 2x12 stringer - Hi, I am connecting 2 decks. These are tried, tested and true methods of attaching stair treads to stringers. This article was co-authored by Norman Raverty. Install with 10d x 1-1/2" hot-dip He has been working in carpentry, home repair, and remodeling for over 20 years. Enter Total Stair Rise* inches Enter Your Run inches We suggest 10.5" for 2x12 or 2 - 2x6 Treads. We have a deck built 10 feet off the ground with 2x6 wooden steps that have a huge span. 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