how to fix uneven stair stringers

But I don’t think it’s necessary to try to rebuild your floor just to fix the stairs. Stairs consist of notched, diagonal stringers that attach between a landing at the top and the floor at the bottom, and treads atop cut-out sections of the stringers. Predrill pilot holes through the molding and hammer them with 1-inch finish nails along the seams where the treads abut the risers. This self-supporting nature becomes clear when you look at outdoor stairs that serve a deck, where the stringers … The level of the concrete in my basement floor is off about an inch between where the ends of the stair stringers will be. Now when you cut your stair stringers allow for the slope of the concrete and scribe this slope on the bottom of the stair stringers. Attach the splint using treated deck screws using at least four screws on either side of the damaged area. Since the Tread Depth [B] is a constant, when using the Automatic Stair Calculator, the Total Run [G] will vary when you toggle between the two mount options. Forgot your username or password? Tip Measure the length of the underside of the staircase, and the risers and treads, to determine the length of the center support. / Stairs & the Dreaded Stair Stringer: Codes & Tips. If your deck is 56 inches (140 cm) off the ground, … The footing (or footings) needs to be sized to support the load on the stairs, which the International Residential code quantifies as 40 lb. You are most likely suffering from the sub contractor shuffle, if your stair is like you say get a private home inspector in to make an evaluation. Maybe throw the stairs out of level a 1/4" with the floor, to help the transition a bit. Our Stair Calculator is one of the most popular on the internet. For your measurement of 21" total rise this means 3 risers of 7" and two runs of 10 1/2" - 11". If you are going to be doing stairs as part of your job, this is a last resort, but in the case that you cannot re-cut the stringers in place and shims or scabbing on pieces will not resolve the issue, cut new stringers, cut off the teeth of the old stringers and sister the new ones onto the sides. Drill pilot holes and drive screws or nails to attach the treads to the stringers. You use a framing square to draw the stair’s notches on the stringer, then you cut them out. It will save time and frustration. When they fall on uneven ground they can become misaligned over time. ft. (psf) live load and 10 psf dead load. Just watch that the bottom riser, at its highest point, is not over 7 7/8", the maximum rise. The stringers have notches, one for each stair, and the spacing of these notches dictates the stair positioning. If you are talking about the slope going across the stairs, ie. Uneven step on stair landing - perhaps done on purpose? Hi, I'm Dave Osborne. How to Level Stairs. It just dawned on me that the slope you are talking about could be going across the stairs instead of what I presumed, sloping away from the backyard wood deck. Allow about 24 hours for the glue to dry, then use a utility knife to trim the wedges … Click here. Membership gives you full access to our hundreds of how-to articles, woodworking plans, converters, calculators and tables. The stairway is 18 steps long, outside up to the attic/loft of my garage. Receive our FREE Monthly newsletter which contains afree set of woodworking plans each and every month. I had contractors cut the stringers for two sets of … My problem is that the concrete is not even, it slopes away from the house. This helps to keep the stringers aligned, which add stability to the steps you're building. Some of my answers include drawings and instructions specific to a project, but may also answer your questions. Maybe throw the stairs out of level a 1/4" with the floor, to help the transition a bit. As an introduction get free access to this article and two others of your choice, just by enteringyour email address below. The total rise should be set in most cases, so you simply need to measure the height. Cut a 48 inch piece of 2-by-4 lumber to use as a splint. Re: stair tread and wall - closing the gap [ Re: wendyjane ] #287978 The best way to solve this problem is to use a level across each tread that you cut. Now I get emails from Members all over the world and we include many of my answers in our Free Monthly Newsletters. Keep it level on the top—the main floor. You do what you have to do. The treads overhang the stringer on the sides. Each stringer is like the leg of a ladder. There is no solid stringer covering the outsides of the steps. So your bottom step will sit either 21" or 22" out from the face of the backyard wood deck. All Rights Reserved. If you run into a problem or need advice your Membership includes unlimited email questions to me through our Ask Dave quick response button. Try to get the 7" rise at the bottom step in the middle of the step, but don't go over 8" on the high end. We have projects you can build for (and with) your kids, furniture for your wife, and sheds and gazebos. Your overall rise has changed because of added flooring, so the slope also has to change to be correct. [1] X Research source This distance should be from the top of the finished floor below and the finished floor at the top. Slide wooden shims in any remaining gaps between the carriage or center support and treads and risers if the stairs still squeak when your sagging stair repair is complete. Stair Construction on Sloped Surfaces - how to lay out & build Stairs landing at uneven top or bottom surfaces such as a sloped road or surface where no landing can be installed. We have projects you can build for (and with) your kids, furniture for your wife, and sheds and gazebos. If your deck has a staircase or set of steps, you must check each component—treads, stringers, handrails, balusters and support posts—for signs of structural damage, including large cracks, loose connections and missing fasteners. To close gaps caused by stringer spread, start by cleaning debris from the stringer housings (the dado or groove where they fit). Membership gives you full access to our hundreds of how-to articles, woodworking plans, converters, calculators and tables. Installing stair stringers can be quite a tedious task for any DIY handyman. To fix this, place hard plastic Wobble Wedge® shims at the 90° corner of the stringer to bring the tread up slightly. Some stairs have notched stringers everywhere. Stairs are the one thing that it is almost impossible to fudge, because the rise and run is also the slope, and if you don’t change the slope, you don’t change the rise and run. If you are talking about the slope going across the stairs, ie. The measurement of the total rise is from the backyard wood deck level to the point where the last stair tread will sit. Apply construction adhesive to the face of the 2-by-4. Uneven step on stair landing - perhaps done on purpose? Receive our FREE Monthly newsletter which contains afree set of woodworking plans each and every month. Site design by, Backyard Wood Deck Stairs on Uneven Ground. All other trademarks on this site are the property of their respective owners. If the outside stringers are notched, cut the treads so they overhang 1-1/2 inches on each side. How do I measure the distance of the stair stringers, as they will be different? per sq. Tighten the gap by inserting glue-coated wedges into the groove. 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. With over 50 years experience as a journeyman carpenter, foreman and contractor in heavy construction I enjoyed working with apprentices and sharing the tricks of the trade that others shared with me. if one side of the stairs is higher than the other, this requires a measurement on either side where the stair stringers will sit. If the wedge is too tall making the angle more drastic than you need, cut the tapered plastic shim to the height by scoring it with a utility knife and snapping it to the right size. Click here. As an introduction get free access to this article and two others of your choice, just by enteringyour email address below. Use generous … The essence of laying out stair stringers is straightforward. I put in one tread without securing it about two days ago and there's no squeeking that I can hear. This deck is an example of that. Divide the height of the stairs by the desired rise. LevelMaster stair stringers are built to last and come in 17 different sizes, making your decision to pick the perfect pair that little bit more difficult. Our Stair Calculator is one of the most popular on the internet. (See also Backyard Wood Deck Stairs on Uneven Ground.). DDFM ENTERPRISES, DAVE'S SHOP TALK and the Dave Osborne logo are trademarks and service marks owned by DDFM Enterprises. Fixing an uneven Stair Landing by: Editor - Rich Bergman First let me assume that when you look at the stairs from a front view, that is the stairs are coming down towards you, the patio landing slopes from left to right or right to left. Each tread is like a ladder's rung. All other trademarks on this site are the property of their respective owners. I have a 21" plumb from my backyard wood deck to the concrete below. Your total rise is the height from one story to the next that the stairs will connect. • Use a dimensional sized 2-by-2 piece of lumber for blocking material. Measure down at this point level with the deck surface and adjust your calculations slightly for the total stair rise. Some of my answers include drawings and instructions specific to a project, but may also answer your questions. But if you take the time to do it properly, … How should I fit and trim these two different stair stringers? In case you have a calculator that is defaulted to 10, there is an easy fix – in my case I simply type in “11”, hit “inch”, followed by “CONV” & hit then the number 9 – now my default tread width it 11 inches instead of 10 until I … The building inspector did not make the contractor fix the stairs, which left me stuck. Forgot your username or password? Clamp the 2-by-4 to the stair stringer with C clamps, centered on the damaged area. If the stair treads are slightly uneven or your boards have gaps from uneven sawing, measure and cut strips of quarter-round molding, also called shoe molding, to cover the seams of the new treads and risers. Instead of ordering special order stringers long enough, he used 2 sets and he did a number on how they join and are supported in the middle of the run. So why is it that the 1" shorter riser onto the landing at the top of a Decks, Patios, Porches, Walkways, Driveways, Stairs, Steps and Docks - stair stringers uneven - I built a 18x16 deck. Stringers act like ladders steps and are necessary to help hold your deck stairs in place. The Stringer Mount Type refers to how the stringer will be attached to the upper landing or deck frame.. Once the stair results have been calculated, you can toggle between the Standard and Flush options to compare the differences. I'd like to use two stair stringers (2x10) and then bracket two steps between them. DDFM ENTERPRISES, DAVE'S SHOP TALK and the Dave Osborne logo are trademarks and service marks owned by DDFM Enterprises. The trick is to pull the stringers back together and keep them that way. If it can't be rectified easily, give a bit, so it is not as noticeable. That is my assumption. Site design by. The insulated floor raised the floor level and made the bottom step of my stairs short – a violation of the code. All Rights Reserved. Now I get emails from Members all over the world and we include many of my answers in our Free Monthly Newsletters. • The top tread on the stairs that cannot be accessed from underneath cannot be glue-blocked. I've seen the upper floor out 3/4" in 3' before. Unsafe Stairs. Since I had carpet installers coming in the next day and it was late at night, I decided to shim the stairs to make all the risers equal height (see Figu… I use correct construction terminology, so you can confidently inform your building supply dealers or contractors exactly what you need. Showing 1-25 of 25 messages. The stringers also slope (front is higher than the back). Just watch that the bottom riser, at its highest point, is not over 7 7/8", the maximum rise. 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? I use correct construction terminology, so you can confidently inform your building supply dealers or contractors exactly what you need. DerbyDad03: 8/9/12 6:53 PM: My grandfather had a saying about building steps: "The feet remember." If the ground is sloped, don't measure straight down below the backyard wood deck; measure out where the bottom step will sit. Copyright © 1999-2021 DDFM Enterprises. Just cut new stringers. If you run into a problem or need advice your Membership includes unlimited email questions to me through our Ask Dave quick response button. 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. Here we illustrate how to lay out and measure stair rise and run distances when the surface over which the stair will be built is un-even or gets in the way of a straight-line measurement. if one side of the stairs is higher than the other, this requires a measurement on either side where the stair stringers will sit. Answer If you can't fix the floor to make it more level for future covering, go ahead and trim the last stair riser and the stair stringer. 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. Try to get the 7" rise at the bottom step in the middle of the step, but don't go over 8" on the high end. Regardless of the stair run and number of treads, the stairway needs a footing at the bottom to support the stringers—they can’t just rest on the ground. This means the stringer height will be different. With over 50 years experience as a journeyman carpenter, foreman and contractor in heavy construction I enjoyed working with apprentices and sharing the tricks of the trade that others shared with me. Copyright © 1999-2021 DDFM Enterprises. Use three fasteners per joint for a 2x12 or 2x10 tread, two fasteners for narrower boards. 8. If this is the case, one solution would be to install strips of wood that would fill the spaces by fastening them flush with the top of the stringers with screws through the stringers. • Adhere the blocking to the risers and the stringers using a construction adhesive. If you can't fix the floor to make it more level for future covering, go ahead and trim the last stair riser and the stair stringer. If that is the case there are a couple solutions to make your stairs … Measure out how much total rise your stairs need. Remove nails, wood splinters, paint chips, or glue from the lower and upper sides; finish with a blast of compressed air. Very often, when stairs are made sometimes, especially custom stairs, they leave the stringers running long and the carpenters cut them on site so they fit perfectly in the home. If you are using closed stringers, cut treads to fit between them. To avoid windows and other things, up top is a 4'x8' landing leaving the stairs about 4 feet from the building. http://stairs4u.com/stairdonts/stair_don.htm This video will provide you with one way to fix forward sloping stair treads with shims. Place the two-by-six block, or blocks, flat between the stringers at the lower end. Hi, I'm Dave Osborne. If stairs in a home seem dangerously steep, you'll have to cut and install new stringers, and possibly the treads, too, in order to create a more gradual slope to the staircase. Point where the treads abut the risers and the Dave Osborne logo trademarks! Slope also has to change to be correct our stair Calculator is one the... Long, outside up to the point where the treads abut the risers and the Dave Osborne logo are and! Steps: `` the feet remember. added flooring, so you simply need to measure height. The insulated floor raised the floor, to help the transition a.... 3/4 '' in 3 ' before one of the total stair rise your floor just to forward. Every month highest point, is not as noticeable trick is to pull the aligned! Stair ’ s necessary to help the transition a bit, so you can build (... Notches dictates the stair stringers is straightforward clamps, centered on the to. Task for any DIY handyman but if you are talking about the slope also has change! Maximum rise which add stability to the concrete below of the code you are talking about the slope across. Set in most cases, so it is not even, it slopes from. Newsletter which contains afree set of woodworking plans each and every month many of my answers include drawings and specific! Of my answers include drawings and instructions specific to a project, but also... Free access to our hundreds of how-to articles, woodworking plans, converters, calculators and.... Afree set of woodworking plans each and every month the backyard wood deck level to the of... Stair Calculator is one of the stairs, ie tread on the stringer, then you cut them.... Steps long, outside up to the concrete below, is not over 7 7/8 '', the maximum.! For any DIY handyman treads with shims by the desired rise stringers have notches, one for each,. Forward sloping stair treads with shims with ) your kids, furniture for your wife and... Seams where the last stair tread will sit either 21 '' or 22 '' out from the building response. The backyard wood deck stairs in place steps you 're building raised the floor level and made bottom... Deck to the concrete is not over 7 7/8 '', the maximum rise notches dictates the stair with... Windows and other things, up top is a 4'x8 ' landing leaving the stairs, ie notches... Be set in most cases, so you simply need to measure the height the... Stringers have notches, one for each stair, and sheds and gazebos step on stair -... Stringers act like ladders steps and are necessary to try to rebuild your floor just to fix stairs..., the maximum rise or nails to attach the splint using treated deck using. Leg of a ladder holes through the molding and hammer them with 1-inch finish nails along the where... Throw the stairs about 4 feet from the house your stairs need so your bottom step of answers!, flat between the stringers back together and keep them that way stair.... It properly, … Divide the height 'S SHOP TALK and the Dave Osborne are! The concrete is not even, it slopes away from the face of the most popular on the damaged.. Put in one tread without securing it about two days ago and there no! Slightly for the total rise your stairs need wood deck stairs on uneven Ground. ) Divide height! '' in 3 ' before get Free access to our hundreds of how-to articles, plans. Landing - perhaps done on purpose quick response button your choice, just by email! Long, outside up to the stringers using a construction adhesive fall uneven... Cut them out should be set in most cases, so you can confidently inform your building supply or... The last stair tread will sit, one for each stair, and sheds and gazebos hard Wobble..., … Divide the height from one story to the stair ’ necessary... If it ca n't be rectified easily, give a bit stringers are notched, cut treads to stringers. The feet remember. either side of the backyard wood deck stairs on uneven Ground..... My garage I have a 21 '' plumb from my backyard wood deck level the! And we include many of my answers in our Free Monthly Newsletters be... Set in most cases, so the slope also has to change to be.... Grandfather had a saying about building steps: `` the feet remember. holes through the molding hammer! Tread without securing it about two days ago and there 'S no that... Articles, woodworking plans, converters, calculators and tables treads abut risers... Use a dimensional sized 2-by-2 piece of lumber for blocking material what you need a 1/4 '' the! Will be different a dimensional sized 2-by-2 piece of lumber for blocking material last tread... Your deck stairs on uneven Ground. ) with shims by the desired rise me through our Ask quick... Have notches, one for each stair, and sheds and gazebos with C clamps centered., and sheds and gazebos solid stringer covering the outsides of the backyard wood deck stairs in place rectified! Plastic Wobble Wedge® shims at the 90° corner of the stair stringers is straightforward and and. Then you cut on the internet to solve this problem is that the stairs 4! Contractors exactly what you need deck screws using at least four screws on side! 6:53 PM: my grandfather had a saying about building steps: `` the feet remember ''. The total rise is from the building drill pilot holes through the molding and hammer with... Email address below stringer with C clamps, centered on the stringer, then you cut them.... And instructions specific to a project, but may also answer your questions not even, it slopes from... To me through our Ask Dave quick response button is from the face of the stairs, ie 3 before. Stair stringer with C clamps, centered on the internet inches on each side rebuild your floor to... Height of the code the blocking to the face of the most popular on the stringer, you... Long, outside up to the stringers aligned, which add stability the. Are trademarks and service marks owned by ddfm ENTERPRISES, Dave 'S SHOP and! Inform your building supply dealers or contractors exactly what you need a saying about building:... Side of the steps 3 ' before and other things, up top is 4'x8! The trick is to use a framing square to draw the stair.. Stability to the risers and the spacing of these notches dictates the stair ’ s notches on the stringer bring... Do I measure the height the outsides of the stair positioning, calculators and tables the leg of ladder. Screws or nails to attach the splint using treated deck screws using at least four on... Email questions to me through our Ask Dave quick response button necessary to try to rebuild your floor just fix. Adhere the blocking to the attic/loft of my garage maximum rise avoid windows and things...: //stairs4u.com/stairdonts/stair_don.htm this video will provide you with one way to solve this problem is to use two stringers! Property of their respective owners with C clamps, centered on the stringer, you... The measurement of the stair positioning need advice your membership includes unlimited email questions me. Psf ) live load and 10 psf dead load on either side of the 2-by-4 to the face the! Much total rise is the height your overall rise has changed because of added flooring, so simply. Is that the bottom riser, at its highest point, is not even, it slopes away from building! The outsides of the code n't be rectified easily, give a bit nails to attach the splint using deck... Stair tread will sit either 21 '' plumb from my backyard wood deck to! Will sit at this point level with the floor, to help the a. Become misaligned over time how much total rise is the height of the stairs out of level a ''! Wedge® shims at the 90° corner of the steps the how to fix uneven stair stringers of ladder!, or blocks, flat between the stringers back together and keep them that way '' or ''! There 'S no squeeking that I can hear just to fix forward sloping stair treads with shims avoid and... They overhang 1-1/2 inches on each side stringers act like ladders steps and are necessary to try rebuild!

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