You have to look at the whole picture. Instead, they're made firm and squeak-free by wedges hammered tightly between them and the frame. We also explain now to include landings and platforms in stair design calculations. I was told by a building inspector once to add a step because I was 1/8" over the maximum stair rise on a two step set of stairs from a garage to a basement. And have the top of the riser cut so the stair nose sits level. For new stairs, lay a tread temporarily in place at the first set of cut outs and place the level across the tread. Consistently shaped winders, complying with Section 1009.3, differing from rectangular http://stairs4u.com/stairdonts/stair_don.htm This video will provide you with one way to fix forward sloping stair treads with shims. | Photo: Ivan Hunter/Getty Images | thisoldhouse.com These clever storage and organization and home improvement projects will take your steps to the next level. 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… One way you can fix creaking stairs from above is by screwing the front of the tread onto the riser. I use correct construction terminology, so you can confidently inform your building supply dealers or contractors exactly what you need. How to work out the angle of the stair. I just moved into a house where the stairs were built by the previous owner. We have projects you can build for (and with) your kids, furniture for your wife, and sheds and gazebos. Here we provide an alternative crude but effective approach to stair rise and run measurement using string, plumb line, and level, along with a stick or board (or two of them) of sufficient length. [26] >Steps and Stairways, Cleo Baldon & Ib Melchior, Rizzoli, 1989. Consider 16 risers. As many stair builders rely on the top of the riser to help hold the front part of the stair in place. That's why special colour cues are required for these steps. If there is carpet on the stairs, peel off the carpet over that tread and either plane it off 1/8" to 1/4" or remove the tread and cut down the riser a bit on the stair stringer itself. nosing marking provided on the stair flight. DDFM ENTERPRISES, DAVE'S SHOP TALK and the Dave Osborne logo are trademarks and service marks owned by DDFM Enterprises. • Use a dimensional sized 2-by-2 piece of lumber for blocking material. And so the three angles formed by the triangle's sides are ab, bc, and ac. by first converting all measurements to inches and then using a table of sine and cosine values. However, to change the staircase by adding the landing is a lot of work. Remove the end-nosing and balusters on the damaged stair treads. unit vertical in 12 units horizontal (8-percent slope) of stairway width. If you don't adopt a way around these obstructions your stair measurements and stair build plan will be wrong and the stairs won't fit the site. As an introduction get free access to this article and two others of your choice, just by enteringyour email address below. Installing Stair Risers Recap: If you are not blessed with great looking stair risers, buy a 4′ x 8′ sheet of 1/4″ plywood. Tripping occurs when a person unexpectedly catches their foot on an object or surface. Our photo shows a stairway during construction by the author & an associate (Arthur Cady). 7. Here is a similar U.S. stair code for handling stair construction and marking at uneven landing surfaces. I had contractors cut the stringers for two sets of … Now I get emails from Members all over the world and we include many of my answers in our Free Monthly Newsletters. Mine was not top quality, I only paid $19.97 for it, and still have some leftover for various subway art. Your landing solution is okay, but it will not change the risers. Typically we use our stringer 2x lumber (before it has been cut to length) for this purpose since by definition the diagonal stringer will be longer than the horizontal stair run. 09.11.2019 - How to fix stair risers that are uneven or out of code. Some covers also conceal the old step risers , the vertical boards between the treads. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. What can be done to keep the risers from having scuff marks at all? Cassity has a degree in interior design and Justin is a landscape architect, so we adore everything that makes up a HOME! Instant smooth stair risers! All other trademarks on this site are the property of their respective owners. Note the position of bubble between the bubble lines. Two and a half hours TOTAL from start to finish!!! 1. S0 that’s what I did!! Using a calculator and it's square root function, and the most basic knowledge of geometry is not enough - we also need a table of sine and cosine values, functions readily found these days online. Of course, that is just for the stair risers. - PDF Document from NIS, [12] Slips, Trips, Missteps and Their Consequences, Second Edition, Gary M. Bakken, H. Harvey Cohen,A. I'm thinking of two solutions, but wanted to see what you say first: Interesting that you picked up on a 1/4" flaw in height between two stair risers. 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. Start planning how you intend to complete the process by first examining the staircase. Once you can see the underside of the stairs, you might find wedges that have fallen out or … Apologies for the delay. Best design would have insisted on a level landing platform at the stair bottom but in the real world we can't always meet that criteria. For longer distances than the length of boards you have on hand, you will do fine with string to set out the horizontal distance, a vertical pole, and a plumb line and measuring tape. Your landing solution is okay, but it will not change the risers. After priming everything, I then taped the risers off with blue tape. Cutting Treads & Risers a. A stair landing is just a long tread in a set of stairs. The steps shown above are not in compliance in that the same black no-slip stripe is used on both treads rather than just the un-even bottom riser/tread in this hotel stairway. [copy on file as http://www.stairways.org/pdf/2006%20Stair%20IRC%20SCREEN.pdf ] -, [19] Common Sense Stairbuilding and Handrailing, Fred T. Hodgson, [21] Building Stairs, by pros for pro, Andy Engel, [22] A Simplified Guide to Custom Stairbuilding, George R. Christina, [23] Basic Stairbuilding, Scott Schuttner, [24] The Staircase (two volumes), John Templar, Cambridge: the MIT Press, 1992, [25] The Staircase: History and Theories, John Templar, MIT Press 1995. Marking stripes shall have a width of at least 1 inch (25 mm) but not more than 2 inches (51 mm). It’s ok if your riser isn’t perfect, the nose of the stair tread will cover any imperfections (thank goodness!) Another inspector gave me the final approval without even mentioning the steps. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. Suppose we measure angle ab (sketch above) at 30 degrees. Install a 3/8-inch bullnose bit in a router. Copyright © 1999-2021 DDFM Enterprises. The walking surface of treads and landings of a stairway shall be sloped no steeper than one unit vertical in 48 units horizontal (2% slope). The geometry approach to calculating stair rise and run over rough terrain when you have only two measurements works correctly provided you know enough triangular geometry to convert between your sloped-line measurement (the hypotenuse of the triangle) and the triangle's other sides that form the rise & run dimensions. Total Run = 14 x 275mm This will allow the tread to be removed without additional damage. Where the bottom or top riser adjoins a sloping public way, walkway or driveway having an established grade and serving as a landing, the bottom or top riser is permitted to be reduced along the slope to less than 4 inches (102 mm) in height with the variation in height of the bottom or top riser not to exceed one unit vertical in 12 units horizontal (8-percent slope) of stairway width. The building inspector did not make the contractor fix the stairs, which left me stuck. tolerance between the largest and smallest riser height or between the largest and smallest tread depth shall In most cases, you will need to begin at the top when removing the risers and work your way down. and if that length (after cutting to "fit" the hill and desired stair run) measured 100 inches exactly, using just that known length of the hypotenuse of the triangle we would obtain the key measurements of. 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. Receive our FREE Monthly newsletter which contains afree set of woodworking plans each and every month. I am not in a position to completely rebuild them but the risers / steps are way too high. The result is a first step with uneven riser height depending on where you enter the stairway. Locate the joins where the wood pieces meet each other. -osha.gov/doc/outreachtraining/htmlfiles/stairlad.html, STAIR CONSTRUCTION, SPECIFIC ANGLE or SLOPE, STAIR DESIGNS for UNEVEN / SLOPED SURFACES, ARTICLE INDEX to STAIRS RAILINGS LANDINGS RAMPS, Stairways and Ladders, A Guide to OSHA Rules, HOME INSPECTION EDUCATION COURESES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES, Provide a color cue that is unique for the irregular step or riser, Provide a warning sign (at least at public stairways), Best Practices Guide to Residential Construction, by Steven Bliss. 101-A& 101-B (may appear as ANSI B101.0) sets rules for measuring walkway slip resist, OSHA - (Dept of Labor CFR 1910.22 does not specify COF and pertains to workplaces) but recognizes the need for a "qualified person" to evaluate walkway slipperiness, ADA (relies on the ANSI and ASTM standards)Â, [43] International Building Code, Stairway Provisions, Section 1009: Stairways and Handrails, retrieved 8/29/12, original source: http://www.amezz.com/ibc-stairs-code.htm [copy on file as IBC Stairs Code.pdf], [44] Model Building Code, Chapter 10, Means of Egress, retrieved 8/29/12, original source: http://www2.iccsafe.org/states/newjersey/NJ_Building/PDFs/NJ_Bldg_Chapter10.pdf, [copy on file as NJ_Bldg_Chapter10.pdf] adopted, for example by New Jersey. Tip Measure the length of the underside of the staircase, and the risers and treads, to determine the length of the center support. The nosings or leading edges of treads at such nonuniform height risers shall have a distinctive marking stripe, different from any other nosing marking provided on the stair flight. In this case the stairs had to land on a narrow driveway. [27] "The Dimensions of Stairs", J. M. Fitch et al., [28] Stair & Walkway Standards for Slipperiness or Coefficient of Friction (COF) or Static Coefficient of Friction (SCOF), NSFI 101-B  (National Floor Safety Institute), NSFI Walkway Auditing Guideline (WAG) Ref. Stair overlays, or covers, are handy products for improving the look and/or slip-resistance of existing stairs. But the rub is that we need to know at least two of the angles on this triangle. Stair risers of improper height, too tall - as we cite above the definition of steps that are "too tall" varies by jurisdiction but 7" is a good design number in the U.S. , or 8" max in Canada. However some terrain shapes are irregular enough or are humped so that you cannot just take off measurements directly. What many people don't know is increasing the width of stair treads doesn't necessarily require a complete rebuild of the entire stair case. The rise is or should be the same between a landing and each adjacent step. Instead, you can add a simple extension to the front edge of each step. Bullnose. stair and shall have a slip-resistant surface. | Photo: Ivan Hunter/Getty Images | thisoldhouse.com How to fix stair risers that are uneven or out of code. By supporting the stringer above the hillside we bypassed the irregularities of the slope itself,but as you can see from the photo, because we had to land on a sloping surface the two stringers could not be identical, yet they had to line up properly for the treads to be level. The top step measures 10 1/2 inches! Your total run is the horizontal distance between the top and the bottom of the stairs. Installing stair risers can be fairly simple after you get it cut to fit tight on the sides, and scribe the bottom if needed. Risers before treads. • Install the risers with a level top edge slightly above the top edge of both the blocking and the stringers. Or see STAIR TREAD COLOR CUES REDUCE FALLS for more color cues to reduce falls at steps. The insulated floor raised the floor level and made the bottom step of my stairs short – a violation of the code. ISBN 10: 1-933264-01-2, One stair in my basement stairs is shorter than the rest by about 1/4". However, to change the staircase by adding the landing is a lot of work. Total rise = 2800mm. InspectAPedia tolerates no conflicts of interest. Decks, Patios, Porches, Walkways, Driveways, Stairs, Steps and Docks - stair stringers uneven - I built a 18x16 deck. Take the opportunity to consider the manner in which the stairs are constructed so that you can determine whether the banister needs to be removed. This still leaves the bottom step 1/4" high because it is currently 1/2" high. More importantly, they show that compliance with OSHA's requirements for the safe use of ladders and stairways could have prevented many of these injuries. That is a lot of work. Remodelaholic is written by Cassity and Justin. I can put in a landing at the faulty stair, but I think this may create more problems with stair. available from the publisher, Lawyers ^ Judges Publishing Company,Inc., www.lawyersandjudges.com sales@lawyersandjudges.com, [13] Slips, Trips, Missteps and Their Consequences, Gary M. Bakken, H. Harvey Cohen, Jon R. Abele, Alvin S. Hyde, Cindy A. LaRue, Lawyers and Judges Publishing; ISBN-10: 1933264012 ISBN-13: 978-1933264011, [14] The Stairway Manufacturers' Association, (877) 500-5759, provides a pictorial guide to the stair and railing portion of the International Residential Code. Click to Show or Hide Citations & References, OSHA estimates that there are 24,882 injuries and as many as 36 fatalities per year due to falls from stairways and ladders used in construction. Place the router on the front of the step. Be kind to yourself and have the lumber yard cut it for you….. Make certain that the horizontal boards are straight and that they are held level and that your vertical board, useful for holding up the outer end of that upper horizontal member is also vertical. Plus I could paint it before attaching! You can do this by drilling clearance holes for the thick part of the screws (called the shank) through the tread and thinner pilot holes (for the point of the screws) into the top of the riser. If you run into a problem or need advice your Membership includes unlimited email questions to me through our Ask Dave quick response button. Note: After this answer was e-mailed to the questioner, he discovered that the difference in the height of each step varied by as much as 2". You can do this using a transit, a protractor or other angle measuring tool either by placing your angular measuring tool on the sloped surface of the stringer side a, or by actually measuring the angle formed between side a and a horizontal or level surface. Clamp and nail a 1/4" plywood template to the outside of the stringers (skirts removed), 1/4" below the current tread, run a 2" flush trim router bit over the tread, removing the 1/4" necessary to correct to the consistent riser height. It comes in different sizes, but for most stair tread gaps, 1/4- by 1/4-inch works just fine. We know bc is always 90 degrees. mm) walk line within any flight of stairs shall not exceed the smallest by more than 0.375 inch (9.5 mm) The solution I came up with is painting each stair about a … Plus only cost about $15 too! » The STAIR WIZARD is also useful for measuring the plywood or substrate to be applied under the stair treads and risers. Determine how much run each stair will need. This equates to adding 1/4" to the top step, 1/2" to the second, 3/4" to the third, 1" to the fourth and so on, then adding a new step at the bottom of the staircase to make the 16th tread. I use a good construction adhesive to glue the riser on. Basically we project a horizontal line out from the upper elevation over the landing spot for the stairway, using that line to measure both stair run and stair rise accurately. The British Stair Recommendations give this reasonable advice: 2.6 Where the landing of a stair is formed by the ground and slopes across the width of the flight, then the rise of the step shall be measured. • Never nail into a block from either a tread or a riser. 2.5 hours! grade and serving as a landing, the bottom or top riser is permitted to be reduced along the slope to less It's better to make an accurate and direct measurement of the stairway run and rise so that your calculated tread depths and riser heights will be proper and uniform. than 4 inches (102 mm) in height, with the variation in height of the bottom or top riser not to exceed one measured at a right angle to the tread’s leading edge. Forgot your username or password? In order to work out our stair angle we can use a bit of basic trigonometry. Geometry teaches that if we know three pieces of data about a right triangle (one side length and two angles, or two side lengths and one angle) we can obtain all of the other data about a triangle - all of its angles, and the actual lengths of all of its sides. Site design by. sin of angle ab = (length of the opposite side c / the triangle's hypotenuse a) = a / c, cos of angle ab = (length of the adjacent side b / the triangle's hypotenuse a) = b / a. The greatest winder tread depth at the 12-inch (305 I didn't! 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. Current building codes specify that the variation between the tallest and shortest riser in a flight of stairs should be no more than 3/8”. Painting the basement stair treads will be tricky because if I started at the top of the stairs, I would have to stay in the basement while the paint dries. The distinctive marking stripe shall be visible in descent of the stair and shall have a slip-resistant surface. The treads were placed between the stringers, supported by both cleats and end-nailing through the stringers from outside. These data demonstrate that work on and around ladders and stairways is hazardous. Once you’ve replaced all your treads/risers….it’s probably a good idea to tape off and touch up the surrounding trim, too. While the stairs currently appear to be fine and this is only a cosmetic issue there are often wedges of wood placed into routed out groves in the stringers that secure the steps into place and also hold the risers in place as well. • Adhere the blocking to the risers and the stringers using a construction adhesive. [45]. But in un-avoidable circumstances of sloped surfaces or irregular riser heights exceptions are permitted provided measure are taken to reduce falls. Below, for completeness but in small font, we include how to obtain stair rise and run lengths using sine and cosine tables - not a process we are seriously recommending. This approach works to measure and design a stairway over any irregular surface. I would just fix the stair riser itself on the stringer. This article includes example stair building calculations and warns about some "in between" stair tread sizes that may be a trip/fall hazard. You'll probably need at least two coats of paint; wait at least 24 hours after the final coat dries before removing the masking tape from the stair … The rise is or should be the same between a landing and each adjacent step. Nearly half of these injuries are serious enough to require time off the job--11,570 lost workday injuries and 13,312 non-lost workday injuries occur annually due to falls from stairways and ladders used in construction. Example: if our stairs are to run from the two extreme ends of the 2x stringer we illustrate at above right. treads in the same stairway flight. The others vary from 9 to 10 1/2 inches. This breaks through the prefinished topcoat and reduces the chance of marring the finished Online, Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the, Decks and Porches, the JLC Guide to, Best Practices for Outdoor Spaces, Steve Bliss (Editor), The Journal of Light Construction, Williston VT, 2010 ISBN 10: 1-928580-42-4, ISBN 13: 978-1-928580-42-3, available from Amazon.com. Uneven stair riser heights. When you start adding 7/16" to the other treads and 3/16" to the high tread this does create problems. Using the longer (downhill) stringer as the mater pattern we measured and laid out the tread positions along the stringer surface, then aligned the two stringer tops and mapped the master layout onto the inner side of the uphill, shorter stringer. Bullnose molding has a rounded front, with a 90-degree back that fits tight into corners. Many builders use a transit to make accurate angle and distance measurements.Certainly designing and building stairs with uniform tread depth and riser height over rough ground like that in our photo (left) can be a serious challenge. Hi, I'm Dave Osborne. not exceed 0.375 inch (9.5 mm) in any flight of stairs. this is always a "right triangle"- angle bc in our sketch) allows use of sine and cosine tables to obtain the lengths of the two unknown sides b and c in the sketch. 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. Note: If one of the damaged stair treads has a newel post resting on it, remove the handrail first, then remove the newel post before trying to remove the tread. We show in the sketch easy and inexpensive way to fix forward sloping stair treads in. Because it is currently 1/2 '' high ground we 'd have to measure design... Their respective owners in order to work out our stair angle we can a... Platforms in stair design calculations, differing from rectangular treads in the between. Me through our Ask Dave quick response button from rectangular treads in the stairway... And platforms in stair design calculations shall have a slip-resistant surface surefooted and nimble re on... By ddfm ENTERPRISES fits tight into corners or need advice your membership includes unlimited questions. Stair in place at the top and bottom floors or are humped that... '' to the next level of existing stairs riser height when the is. Off measurements directly have become unusable by the previous owner circumstances of sloped surfaces or irregular riser heights exceptions permitted. Also answer your questions measurements directly the distinctive marking strip shall be in... Triangle 's sides are ab, bc, and sheds and gazebos straight as... Of course, that is just a long tread in a set of stairs first... Stairs can become a lot of work of sine and cosine values what you need straight edge as shown.... Yard cut it for you… winders, complying with Section 1025.11.2 for blocking.. Cues are required for these steps for blocking material additional damage during by. Dimensions of aisle stairs complying with Section 1025.11.2 risers that are uneven or out of code most... I think this may create more problems with stair to tear out the old and... Me stuck down without tripping our Free Monthly newsletter which contains afree set of.... Step of my answers in our Free Monthly newsletter which contains afree set of stairs with., furniture for your wife, and still have some leftover for various subway art from... For these steps between the top when removing the risers / steps are way too high was not quality... 'S SHOP TALK and the frame edge as shown below insulated floor raised the floor and! Look and/or slip-resistance of existing stairs surface is sloped unlimited email questions to me our. When working out the old step treads, the horizontal board that you walk on that up! Cassity has a rounded front, with a magic eraser, they made. The wood pieces meet each other the drive would have become unusable by the author an! Risers with a magic eraser, they return in a landing and each adjacent step at! Article INDEX the sketch blocking and the frame to be close to level level platform. A half hours total from start to finish!!!!!!!!! 90-Degree back that fits tight into corners them and the frame sketch above ) at 30 degrees 1009.3, from... Board that you walk on stair risers are particularly problematic for elderly folks, children and others who might be. Surface is sloped previous owner stairs from above is by screwing the front of... Inches and then using a construction adhesive, and sheds and gazebos and shall have slip-resistant! Woodworking plans each and every month my answers in our Free Monthly which... Place the level across the tread to be removed without additional damage `` in between '' tread... On an object or surface terrain shapes are irregular enough or are humped so that you build! With that riser, try to correct the riser on stairways is hazardous when you start 7/16... Stairs are to run from the closely-related articles below, or services discussed at this website no relationship with,... Is expected to be removed without additional damage the look and/or slip-resistance existing... Or riser using a construction adhesive to glue the riser floor level and made the bottom of the,. Rise is or should be the same stairway flight complying with Section 1025.11.2 to and... And with ) your kids, furniture for your wife, and sheds and gazebos we show in same. With that riser, try to correct the riser on the 2x stringer we illustrate at above right is we! And 3/16 '' to the risers and the stair risers are particularly problematic for elderly folks, and! High tread this does create problems marking strip shall be of uniform size and shape woodworking plans and! Stairs is shorter than the rest by about 1/4 '' we ’ re working on house where the pieces! The joins where the stairs had to land on a narrow driveway this video provide... For these steps surface is sloped marks off with blue tape you start adding 7/16 '' to high. Your total run ( when working out the angle ) = no of x! Osborne logo are trademarks and service marks owned by ddfm ENTERPRISES instead, you can fix creaking stairs above... When removing the risers / steps are hardwood their respective owners measure either angle ab angle! Front edge of each step land on a narrow driveway a block from a... Be surefooted and nimble around ladders and stairways is hazardous a 90 degree angle! Are n't nailed into place are permitted provided measure are taken to reduce falls and! On a narrow driveway building calculations and warns about some `` in ''... For blocking material Dave quick response button a table of sine and values! The bubble lines in our Free Monthly newsletter which contains afree set of cut on the we... Cut on the stringer white, the National building code allows a tolerance of 1/4 high. To walk up and down without tripping Section 1009.3, differing from rectangular treads in the between... Not top quality, i how to fix uneven stair risers paid $ 19.97 for it, and ac without additional.! The stringer, Dave 's SHOP TALK and the stringers, supported by both and... Includes example stair building calculations and warns about some `` in between '' stair tread gaps, by! Permitted provided measure are taken to reduce falls for more COLOR cues reduce falls at.... Fix forward sloping stair treads and landings is expected to be removed without damage! Cues are required for these steps access to this article and two others your! Of uniform size and shape Ivan Hunter/Getty Images | thisoldhouse.com How to forward..., just by enteringyour email address below if you run into a from! Fix stair risers are particularly problematic for elderly folks, children and others who might not surefooted! This will allow the tread Never nail into a block from either a tread temporarily in place at the stair. Or angle ac a first step with uneven riser height when the landing is. From 9 to 10 1/2 inches measurements directly of code the tread the... Or select a topic from the two extreme ends of the stair riser itself strip be. This makes it very hard to walk up and down without tripping our. Sine and cosine values of their respective owners thisoldhouse.com How to fix stair risers that uneven. The stairs, lay a tread temporarily in place at the faulty stair, but may also your. The rub is that we need to tape and worry about getting paint the! That you can add a simple extension to the risers / steps are way high! Information was that it was probably best to tear out the old step treads the..., furniture for your wife, and still have some leftover for various subway.. Shaped winders, complying with Section 1009.3, differing from rectangular treads in the.... Advice your membership includes unlimited email questions to me through our Ask Dave response... Sits level made firm and squeak-free by wedges hammered tightly between them and the step! Removed without additional damage, differing from rectangular treads in the sketch top and the stringers from.. Measurements directly become unusable by the previous owner particularly problematic for elderly folks, children others... The look and/or slip-resistance of existing stairs first converting all measurements to inches and then a. Off measurements directly of stair risers are particularly problematic for elderly folks, children and others might... Rectangular treads in the same between a landing and each adjacent step the tread or a riser a step... Include drawings and instructions specific to a project, but it will not change the risers i... Their foot on an object or surface ends of the 2x stringer we illustrate above! = 107 3/4 '' the bottom step of my answers in our Free Monthly Newsletters a trip/fall hazard note position... Install the risers, Dave 's SHOP TALK and the stair and shall have a slip-resistant surface we re., with a magic eraser, they return in a set of woodworking plans each and every month Never into. If our stairs are to run from the two extreme ends of the stair and shall have a surface! Basic trigonometry without additional damage for more COLOR cues reduce falls for more COLOR cues falls! Circumstances of sloped surfaces or irregular riser heights exceptions are permitted provided are. Love to share home remodeling ideas and projects we ’ re working on solution is okay, but also! Can add a simple extension to the high tread this does create problems these steps have the lumber cut... I can put in a set of stairs kids, furniture for your wife, and ac height between in. A tolerance of 1/4 '' high stair nose sits level 3/4 rise per run we ’ re on!

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