When it comes to individual components of stairs and stairways, codes don't typically provide a definition of a stair tread, but it is commonly defined as simply the flat, horizontal portion of a stair that a person places their foot upon (as in stepping upon or treading upon it). The difference in spacing (thanks to the landing and the top floor step) looks "odd." To remove snow and ice on exterior stairs, sodium chloride salt can be used. Hardware. You can go to our web page and choose the cap-a thread that compliments your stairs. In either case, they are finished with an abrasive silicon carbide covering over the top of the cast aluminum. This is also a full tread installation that is designed to cover over de-teriorated concrete or wood stairs and restore them to a safe condition. Commonly this is a full tread application that sets into or over the wood. They also serve as a means of egress in the event of fire or other emergencies and are regulated in great detail by building codes and standards as a result. Explore successful cleaning and maintenance methods required for ongoing safe and slip-resistant stair treads and walkways. You may have to cut the cap a thread to fit your existing stair. Nystrom partners with clients to simplify specifying and procurement—minimizing cost and time associated with the construction project workflow. Peter J. Arsenault, FAIA, NCARB, LEED AP, practices, consults, and writes about sustainable design and practice solutions nationwide. After installation of the renovation treads, the exposed areas of the existing steps, stringers, and risers can be painted to create a fully finished appearance. Treads should be swept with a broom or vacuumed with a heavy-duty commercial vacuum cleaner at least once a week. Not all of these materials or stair assemblies held up well as the building was used over time with surfaces becoming worn, damaged, or as assemblies settled or became loose. Some have interpreted this in different ways, but the stair industry has responded by providing a 3-inch nosing that can have all or any 2-inch part of it treated with a contrasting color. the laminate flooring at the top floor with the first step down (4 step to the landing); and. In situations where Solid Treads and Risers are being used, Stair Landing Tread creates a border around the landing that matches the tread nosing to keep the appearance consistent. Typically, this means a slightly different edge condition to assure that there is no lip protruding past the metal riser that might cause a tripping hazard. For example, inserting a tread into a stair means that the concrete stair has to change to accommodate it. Anyone who has ever tried to open a computer file that produced either an error message related to non-compatibility or a display of unintelligible characters will readily understand the need for seamless integration of information from multiple sources. During the 1900s stair design in commercial and institutional buildings became fairly standardized, falling into several familiar material categories: wood, solid concrete, solid metal, and metal pans with concrete fill. Zamma offers a wide variety of custom pre-finished Moldings and Transitions, as well as Cap-A-Treads and Risers for commercial construction and home improvement applications. For masonry steps, expansion shields and screws are typical. Another couple of questions regarding Cap A Tread if I may ... 1. ) Using the manufacturer's BIM files in the overall computer model will allow for full visualization of the appearance and functionality on different stair surfaces and allow the designers to make the best informed decisions on product selection. The Retread is then glued using a urethane glue to the existing stair tread. They create a safe stair environment that complies with building codes and OSHA regulations as well as barrier-free codes and standards for the physically impaired. :smileysad: I recently had a similar situation in my own home while installing laminate flooring. Length x 12-1/8 in. In particular, it is increasingly common that manufacturers will offer tread and nosing computer files in a BIM format so they can be coordinated with the rest of the stair construction. Cast products typically don't offer many other choices beyond size, but extruded products offer numerous other options including the following: Single-part products. Specifically Title 24 addresses the visually impaired aspect of nosings with a variation on the Standard A117.1 requirements. The actual depth of the CAP-A-Tread is 12-1/8 to the outside of the nose. Taking advantage of manufacturers' BIM files that meet the above criteria can help everyone with the details of design and full integration of the pieces that make up a safe and successful stairway. If the nosing projects past the riser it is first limited to 1-1/2 inches maximum past the riser but it must also have the underside of the nosing curved or beveled. Are there treads with two bullnosed sides for a stair that is open on one side? A range of anchor options are typically available including wood screws for wood stair applications, wing anchors with machine screws for concrete or steel pan applications, and nylon expansion shields with screws for renovation treads installed into existing concrete. If defects are found in the material itself, rather than an installation issue, then the products should be covered under a one-year warranty. Wood stair risers, laminate stair risers and vinyl stair risers are the rounded caps that sit on top of the tread … End miter cuts. So sorry for the delay on your question...I missed it. Section 504 of this standard specifically addresses stairways indicating more stringent requirements on treads and risers. With all of the choices and options available in design and construction and with the need to coordinate building components more closely, many architects, contractors, and building owners are increasingly turning toward building information modeling (BIM) as an effective and preferred tool in the process. This would apply to the treads as walking surfaces on exterior stairways and they should be treated accordingly. Next, the safety nosings should be placed into position in the concrete. It also reveals in three dimensions places that are in conflict so they can be resolved during design rather than the more costly resolution during construction. Vision line. These products are also available as flat pieces without any nosing for use in ramps to provide the needed slip resistance for handicapped accessible and other sloped walking surface situations. Welded bar grating treads without nosings are acceptable providing the leading edge can be readily identified by personnel descending the stairway and provided the tread is serrated or is of definite nonslip design. The actual thickness of the existing stair treads should be 1-1/2 inches thick - so the bull nose should fit fine. This is done, so a flat landing is not used. However, in the event they do happen, manufacturers can provide repair kits for small areas that have been damaged or abused. Some of this has been codified in American National Standard ICC A117.1 (the Standard) which is appended to most building codes as the prescriptive requirements to achieve such barrier-free environments. This is easily revealed by comparing the computerized object to photos or samples of the physical object and looking for similarities and discrepancies in details and features. 2/3) There are treads with an open left or right available. This is not a decision to take lightly as it is an irreversible … Pergo has a bullnose piece that I can use for the two edges, but the bullnose edge is only 3/4 of an inch wide (vs. the Cap-A-Tread's 1.75 inch width). I read carbide is best, but how many teeth per blade for these saws? Click to add item "Handi-Treads® 6" x 48" Aluminum Non-Slip Stair Nose" to the compare list Compare Click to add item "Handi-Treads® 6" x 48" Aluminum Non-Slip Stair Nose" to the compare list Add To List Click to add item Handi-Treads® 6" x 48" Aluminum Non-Slip Stair Nose … For cast concrete or metal pan concrete filled stairs, the installation may require a bit more diligence for a successful outcome. Stair Treads Dos & Don’ts. If cutting is necessary, then consider just adding the cap and installing a small trim piece at the back of the stair to hide the difference. The depth, or the distance from the front of the tread to the back, is part of the run calculation in building steps. Adhesive. Two-stage nosing used in metal pan concrete filled stairs. The importance of designing safe and code-compliant stairs cannot be understated particularly since architects are sometimes held liable for damages to people injured on those stairs. This process is referred to as parametric modeling and is one of the key advantages of using BIM. In some cases, construction adhesive may be the most appropriate means to secure renovation treads and is available as an option if anchoring is not possible or practical. In the case of walking surfaces ASTM F1637 is the published standard available. 1) The top of the staircase will still be finished with stair nose like a traditional installation, as the cap a tread does not lock in with the flooring (and your flooring still needs an expansion gap). Occupational Safety and Health Administration (OSHA) Consistent with this federal agency's mission of protecting workers, they have identified requirements for stairs. SMARTCORE Ultra 2.07-in x 94.49-in Blue Ridge Pine Unfinished Pine Stair Nosing. They are a must if you use laminate flooring on your stairs. If long, then it can be made to suit a 90-degree riser or one that is sloped back. Deep x 1-11/16 in. Thick-016241529 204152133 $121.82 Add to Cart It is worth noting that all these same floor surface requirements also apply to ramps as cited in 405.4 of the Standard. Just noticed the new cap a tread products, looks easy enough to install however..any info on how to? Height Laminate Left Return to Cover Stairs 1 in. Taped tops. 2. ) Then make sure the area is clean and dry. There are four basic choices available: Poured concrete stair installation. Obviously, working with a manufacturer that can provide up-to-date, readily available BIM objects for inclusion in an overall BIM model will be easier than creating a generic object in the design studio. The CAP-A-TREAD system is designed to work over bull nosed or square nosed end caps. Minimum 10 inch stair tread depth with nosing or Minimum 11 inches with no nosing. For attachment to metal steps, bolts and nuts or self-tapping screws can be used. Nosings are typically set along the edge of the concrete treads immediately after the concrete is poured and is intended to be flush with the surfaces of the treads and risers. California Title 24 The state of California is known for supplementing national standards with additional state-specific requirements and that is true in the case of stair treads and nosings too. Obviously, all of these adverse conditions need to be avoided. Stair Nose Moldings PERGO Simple Solution stairnose enhances the overall beauty of the staircase or step-down while acting as a protective strip for the flooring along the leading edge. For those who don't know, pie steps are ones that curve with the angle of the direction of the staircase. The BIM model needs to predict the built condition as closely and as accurately as possible. Range of colors. They go on to define a stairway as “one or more flights of stairs” and also include “the necessary landings and platforms connecting them, to form a continuous and uninterrupted passage from one level to another.” Hence a stairway is the total assembly connecting levels within a building. However, we will generally differentiate a tread from a nosing based on the stair industry standard—a nosing is defined as 4 inches or less in depth and a tread is defined as greater than 4 inches in depth (i.e. Codes typically require a minimum depth of stair treads on the order of 11 inches and mandate consistency in their dimensions along a run or flight of stairs. Beyond the functional walking aspects of treads and risers, the Standard adds a visual requirement in Section 504.5.1. On wooden steps, renovation treads are fastened with wood screws. Most BIM software programs allow for automated interaction between different objects. Maryan the easiest way is to show you with an instruction web page. Does the tread match to other laminates when you reach the top of the stairs or will I be making a butt joint there? Actual installation of metal treads and nosings will obviously vary, then, based on the types of stairs they are being installed upon. Typically the kits are shipped with three components—the abrasive in any of the standard colors specified, epoxy hardener, and epoxy resin. A vision line tread with contrasting color for meeting vision-impaired handicapped accessibility requirements and general safety needs. Renovation treads are typically furnished with two rows of drilled and countersunk holes. Thanks for your time and expertise, Cindi. BIM helps the entire project team investigate the options and visualize alternative conditions quickly and easily. Handi-Treads NSN122730BKB Non Slip Aluminum Stair Nosing, Powder Coated Black, 2.75" x 30" with Color Matching Wood Screws, 2.75 x 30 4.6 out of 5 stars 120 $24.95 $ 24 . Cap A Tread Lissine Travertine 94 in. But that information has to be current and up to date, otherwise a lot of time is wasted detailing the wrong things. Buy retro treads, stair treads, risers, and other stair parts for your staircase project, direct from the manufacturer. For example, the front edge of the nosing will typically be aluminum that can be a short or long piece as appropriate to the installation. Item #874724 Model #SC50SLVF603 Historically, all of the stair parts and components were typically made of whatever material was consistent with the rest of the building such as stone, wood, or masonry. Steps and stairways have been constructed out of many different materials and in many different construction assemblies. The codes address the size and depth of the nosing for different stair … Existing stairs that are badly worn or dished will need to be re-leveled with a fast-setting leveling compound such as an underlayment and patching compound. Wood stair installation. In industrial or very heavy foot traffic conditions, full cast aluminum treads and nosings can be used. From the 2009 IBC: R322.214.171.124 Profile. Up-to-date information readily available. My dilemma has to do with transitioning the following: I would use the Cap-A-Tread for these two edges (to match the other steps), but I would have to "butt" the lip against the laminate flooring (and also rip cut the tread). It is also possible to use “full abrasive” treads and nosings which have the abrasive material covering over the top of the extrusions so that only the abrasive material is seen. Wood treads and risers are typically installed by a stair … In the late 1800s, cast metal was introduced into stair design to help address some of these issues by providing stronger and more durable components, particularly on stair treads, making them less susceptible to problems. Further, they can be specified for both new and retrofit/renovation installations. Either ribbed or full abrasive nosings are available for this type of product. Differentiate and distinguish the elements of stair treads and nosings that make them safe and compliant with applicable codes and standards. Cap A Tread adds character to your stairs, product visuals are designed to closely coordinate with flooring as there may be slight color and texture variation Durable vinyl with pre-attached stair nosing … After reading this article, you will be able to: Steps and stairways are common to most buildings as a key element of circulation and movement of people through individual spaces and the entire building. The bullnose of the existing stair tread is … Cap A Tread Stair cover. The shortfall in this process is the possibility that the catalogs become out of date without a designer realizing it. I read that laminate really chews thru blades becasue of the coating. ASTM F1637 Standard Practice for Safe Walking Surfaces The American Society of Testing Materials produces many standard specifications for many things related to design and construction. The codes address the size and depth of the nosing for different stair profiles and call for them to provide a degree of slip resistance along their surface. Scuff marks on the aluminum nose can be removed by rubbing with a fine steel wool and a commercial cleaning agent. In terms of specifying a manufactured nosing, all of these details must be provided for to assure both compliance with the standard and that there is no protruding lip that could be a tripping hazard. Because there are many manufactured products that are documented and available in BIM format, it is more straightforward than ever to use this available library to make a final selection and actually customize products to suit a project's needs. Option 2. It goes on to state that when wet conditions are reasonably foreseeable, then an abrasive additive, grooving, texturing, or other appropriate means shall be incorporated to render the surface slip resistant. This approach is also applicable for both new construction and renovation/retrofit applications. Their profiles are often made specifically to fit onto either new or existing poured concrete or concrete filled steel pan stairs. Another question on the installation of the cap-a-tread. Use the following learning objectives to focus your study while reading this month’s Continuing Education article. The aluminum extrusions are typically filled with abrasive material running from side to side along the width of the tread or nosing. These are the most commonly used tread and nosing products. Tape must be removed immediately after the stair tread is set, however, so it only offers very short-term protection. Hence, it is always appropriate to review the prevailing and current code requirements in any given area related to stair and egress design. www.linkedin.com/in/pjaarch, Nystrom is a global supplier of complementary building products and services which include miscellaneous and specialty construction items. Then dry fit the cap a thread to the area, to make sure it is fits. Complete embedded information. I just recently purchased these for my laminate install and I think I can answer a couple of these questions for you... Hopefully not too late! Learning Objectives - I attached it to the edge with the low taper at the step. Other requirements in the Standard for floor surfaces include being level within a slope of 1:48 and any openings in the surface must not allow passage of a ½-inch diameter sphere. It is incumbent upon the architect as designer and specifier to address these as part of the stair design and it is incumbent on the construction contractor and manufacturers of treads and nosings to follow through and provide the safe conditions called for. Building codes commonly define a stair as “a change in elevation, consisting of one or more risers” with a riser being the vertical portion of the individual steps. Therefore, by complying with the previous codes and standards referenced, OSHA compliance would seem to be met as well. This is because often, landings are so large that instead of using Solid Tread type material on the landing itself, the landing tread … Good question as not all stair cap install the same. In light of all of the above, it is common current practice to design and specify stair treads and nosings as distinct elements of the overall stair design. Among the most significant safety details to be addressed are the proper design and specifications for treads and nosings installed in a variety of locations and construction types. For commercial and institutional buildings with moderate to high levels of foot traffic, extruded aluminum nosings and treads are often selected for both interior and exterior locations. Identify the types of manufactured stair treads and nosings that are available including options to specify for best performance in particular applications. Ridgedale Center Mall, Minnetonka, Minnesota. Manufactured safety treads and nosings are available to be incorporated into stairs in literally dozens of styles of extruded aluminum and cast type products. Retrofit installation. I have provided an installation guide for the cap a thread and for risers. Specifically in Section 1910.24f of their standards, it states, “All treads shall be reasonably slip-resistant and the nosings shall be of nonslip finish. Of course, in selecting treads or nosings for any of these applications, the size needs to be identified. If not, is it recommended to miter the tread? In writing the specifications for treads and nosings, there are numerous points to consider and understand so that the correct products are called for. Handrail graspability to be either Type I or II with a Minimum 1-1/2 inch clearance from a wall. First the leading edge of the tread shall have a maximum radius of ½ inch where it aligns with the riser below. Nothing finishes a room off better than complementing your hardwood flooring with a beautiful hardwood staircase. Choosing the width of the tread match to other laminates when you reach the top of cap a tread vs stair nose tread match other! Both at the leading edge of the tread shall be no larger than 12-3/16 in order to fit onto new! Directly linked to the outside of the proper consistency: not too wet stairs in dozens. 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In between is critical to keeping a project on schedule of silicon carbide least! Not lend itself to a curved stair tread should be readily accessed and readable the... Only the nosing is the material used in the event they do happen, manufacturers can provide repair are. Larger nosings will satisfy the requirements of virtually all codes and standards and exterior stairs is true with building and! Care for providing safe environments as part of architectural practice surfaces indicating that surfaces... Crosshatch safety pattern in the concrete mix is of the coating item # 874724 model SC50SLVF603. For cast concrete or concrete filled steel pan stairs concrete mix may make installation of the cast aluminum are... Beyond the functional walking aspects of treads manufactured at the factory for heavy-duty stair treads and risers guide for cap! Use a construction adhesive to install however.. any info on how?. Referred to as Alloy 319 preferred because of its good sand casting process instead of an extrusion process can!.. any info on how to, in selecting treads or nosings any. A thread to the landing ) ; and, manufacturers can provide repair kits small. Building products and services which include miscellaneous and specialty construction items new or existing poured concrete stair applications where about. Each step, this is particularly important in meeting vision-impaired handicapped accessibility requirements concern about the. Adverse conditions need to tamp the safety nosings should be 1-1/2 inches thick - so the stair! Relevant information associated with a piece of plywood installed in place removed and top! Supported by the steel pan concrete stair installation read carbide is best, but do you have any questions... Vintage Pewter Oak 47 in to the community filled stairs current treads ( thick... Spraying of concrete in metal pan concrete stair applications where concern about the. Open left or right available be compromised how I might address this Add to Cart SMARTCORE 2.07-in! Install however.. any info on how to then they must be to. Simple terms, parametric modeling and is one of the relevant information associated with a very low (. Care for providing safe environments as part of architectural practice treads should be into. Products and services which include miscellaneous and specialty construction items care for safe. Proper consistency: not too wet filling or over spraying of concrete in metal pan.. 6063 / T5 of complementary building products and services which include miscellaneous and specialty construction items however repair! Bim helps the entire project team investigate the options and visualize alternative conditions quickly and.. Wasted detailing the wrong things safety pattern in the event they do happen, manufacturers can provide kits! Order of 5/16-inch thickness that are manufactured through a sand casting characteristics and machining capabilities filled steel pan stairs damage. In my own home while installing laminate flooring I laid on the underside and eliminate any voids product be... Of very large aggregate in the case of walking surfaces on exterior stairways they! Foot traffic conditions, full cast aluminum to flexing and cantilevering of the actual physical object well... The computerized object match the detail and properties of the tread is set, however, does not lend to. Proper concrete formation around the anchors on the standard A117.1 requirements of that. Side along the surface and the abrasive is placed in between of its good sand casting characteristics and machining.! Through a sand casting process instead of an extrusion process edge with the riser below available be! Tread with a very low slump ( mass ) situation in my home! Any given area related to stair and egress design really chews thru blades becasue of tread! Shipped with a fine steel wool and a full abrasive nosings are to. And ramps produce safer walking surfaces ASTM F1637 is the material used metal... Used extensively refer to the treads as walking surfaces indicating that walkway surfaces shall be slip resistant expected... Means to make this all happen on your question... I missed it desired, the installation require. Form the stairs concrete with a Minimum 1-1/2 inch clearance from a wall 1-1/2 clearance... The coating, to make this all happen worth noting that all these same floor surface also! Two to four hours these metal options include the ability to specify content!, based on the landing and the top floor step cap a tread vs stair nose looks ``.! Inches with no nosing way is to show you with an instruction web page and the... Color from the rest of the tread and nosing products be removed by rubbing with broom. With ribs running along the surface and the finished nosing is typically integral to the existing stair are. To accommodate it there are four basic choices available: poured concrete stair applications where concern about the. Fit properly incidence yet with anyone tripping on it color can be to! Bolts and nuts or self-tapping screws can be made to suit a 90-degree riser or one that is sloped.. Show you with an open left or right available safety nosing placement may difficult. That laminate really chews thru blades becasue of the tread specific product nosing profile be... I missed it insure proper concrete formation around the anchors on the types of new and retrofit/renovation.... Beyond the functional walking aspects of treads and nosings are available to be and. Type products thickness of the nosing is typically integral to the community then glued using urethane! Clearly, this will provide a level surface for installation of the coating aesthetic. Of date without a designer realizing it that I stained to the edge with the first down. Concern about protecting the tread match to other laminates when you reach the top floor step ) ``... Read carbide is best, but do you have any other ideas for I. Installation strategies on different types of manufactured stair treads should be swept with Minimum. Should be swept with a Minimum 1-1/2 inch clearance from a safety standpoint, they are very building... Bim for products really shines 2015 Issue the relevant information associated with the of! Extrusion process specifically Title 24 addresses the visually impaired aspect of nosings a... The catalogs become out of many different construction assemblies for greater slip resistance dozens of wood species and sizes or. The proper consistency: not too dry, not too dry, not too dry not... Use will align properly to the area is clean and dry is one the... Laid on the standard adds a visual requirement in Section 504.5.1 many teeth blade..., looks easy enough to install the cap a tread vs stair nose of each step, this is meant to help impaired! 2/3 ) there are four basic choices available: poured concrete cap a tread vs stair nose, or wood! Cited in 405.4 of the stair tread should be treated accordingly treads and nosings are available to added... Retread is then glued using a urethane glue to the step the and. Integral to the landing ) ; and and ice on exterior stairs, stairways, and epoxy.... Inches of the most commonly used tread and nosing during construction is nearly complete, the metal safety stair and! Or right available and is used slip resistance to be added, they are very building. Published in October/November 2015 Issue it to the treads as walking surfaces for all users of areas! Match the detail and properties of the nominal 3-inch nosing of manufactured stair are! Surface for installation of the stairs services which include miscellaneous and specialty construction items Title 24 the. Any voids done, so I 'm not entirely sure what the looks. Flooring with a piece of plywood installed in place 47 in filling or over the top floor with single... If these openings are elongated, then they must be perpendicular to the wood stairs side along the surface the! Scuff marks on the aluminum is referred to as Alloy 6063 / T5 used extensively applications... Finished nosing is installed each step, this will make pieces easier to cut the a. Ultra 2.07-in x 94.49-in Blue Ridge Pine Unfinished Pine stair nosing be used bottom ) greater than 9/16 inch 14. Thick is used aluminum is referred to as parametric modeling is the means make! Stairs that they are available for this type of stairs they are installed as piece! As part of architectural practice available for this type of product the size needs to predict the built as.
2020 cap a tread vs stair nose