An official website of the Commonwealth of Massachusetts, This page, 780 CMR Chapter 24: Glass and Glazing, is, Eighth Edition of the MA State Building Code 780. In addition, any glass . Nonfactored load in accordance with ASTM E1300. Anywhere within 5 of a hot tub, swimming pool, spa, sauna, shower, or bathtub. Exceptions: At what height do windows need to be tempered? Please contact us. 12 B&S gage (0.0808 inch) with mesh not larger than 1 inch by 1 inch (25 mm by 25 mm). Sliding doors shall not be required to comply with 404.2.10. According to the 2012 International Residential Code, it is required at these hazardous locations. Tempered spandrel glass is permitted to be identified by the manufacturer with a removable paper designation, Glazing in swinging doors except jalousies (see. The glass in glass elevator car doors shall be not less than 60 percent of the total visible door panel surface area as seen from the car side of the doors. Tempered glass undergoes controlled heating and rapid cooling, which makes it roughly four times as strong as annealed. 2018 International Building Code (2406.4. The Benefits of Building a Detached Garage, The 7 Best Low-Flow Toilets of 2023 (Water-Saving), Minimum Residential Ceiling Heights Per Code. Glazing in walls, enclosures or fences containing or facing hot tubs, spas, whirlpools, saunas, steam rooms, bathtubs, showers and indoor or outdoor swimming pools where the bottom exposed edge of the glazing is less than 60 inches measured vertically above any standing or walking surface shall be considered to be a hazardous location. One or more walking surfaces are within 36 inches (914 mm), measured horizontally and in a straight line, of the glazing. Per the International Residential Code, all glass or panels in fixed, operable, swinging, sliding and bifold doors must be constructed from safety glass, regardless of size. As you saw in the above code section, even structural baluster panels and nonstructural in-fill panels that are of glass must be tempered. In a, In Type I and II construction, sloped glazing and skylight frames shall be constructed of noncombustible materials. 5.2. The history of safety/tempered glass dates back quite a ways: International Residential Code (IRC), since inception in 2000; Florida Building Code (FBC), since inception a couple of years later; Uniform Building Code (UBC) since 1967, and Southern Standard Building Code (SSBC), at about the same time. 3/8". First, glass that is located parallel to the closed door and within 24 inches of either side of the door must be tempered. If you maintain the entire building code requirements for glass properly, there will be a high chance to prevent injuries and accidental deaths. Make sure that the size of your bathroom window exceeds nine square feet. If you are planning for any construction, knowing the Building Code Requirements for Tempered Glass is a must. Commercial refrigerated cabinet glazed doors. 2.11 Plastic Safety Glazing. Most people are however familiar with the standard and laminated type of glasses as opposed to the . 3) specifies that tempered (safety) glass is needed if all these conditions exist: The exposed area of an individual pane is greater than 9 square feet (0.84 m2). Limitations on its acceptable use arise from fire resistance ratings. One or more walking surface(s) within 36 inches (914 mm) horizontally of the plane of the glazing. Tempered glass also has an increased ability to withstand heat over annealed glass. Tempered glass is hardened glass reaching strengths of up to 4 times normal glass. How does a contractor determine the water performance rating needed for a sliding glass door? The installation of replacement glass shall be as required for new installations. For multiple-layer glazing systems, each light or layer shall consist of any of the glazing materials specified in Item 1 above. 1. If you need more information on this project. . Where glazing is adjacent to a walking surface and a horizontal rail is installed at 34 to 38 inches above the walking surface. You can customize the size, shape, thickness, and edge types of your glass. This process is sometimes referred to as tempering. Tempered glass can be up to four times stronger than typical annealed glass of the same size and thickness. Tempered Glass in New Jersey. A bathroom window must be made of tempered glass if all the following criteria are met, according to the National Glass Association: The glazing (glass) is less than 18 inches above the floor. Also, if you try to cut tempered glass with a glass-cutter when you will put pressure, there is a high chance to create scattered pieces instead of sharp two parts. 2. Tempered glass is a must for all of the glass adjacent to stairs, landings, and ramps. The glass is subjected to intense heat and rapid cooling that tempers it. Best for frameless shower doors as it holds max load, glass shelves, and stair railings. Also see M.G.L. The screens and their fastenings shall: (1) be capable of supporting twice the weight of the glazing; (2) be firmly and substantially fastened to the framing members and (3) be installed within 4 inches (102 mm) of the glass. If the glass within a door has openings that do not allow a 3 inch diameter sphere to pass through, then it is not required to be tempered. There is one exception to this that reads as follows. Glazing 36 inches or more measured horizontally from the walking surface. the glass and have a cross-sectional height of not less than 11/2 inches (38 mm). Each pane of tempered glass, except tempered spandrel glass, shall be permanently identified by the manufacturer. In general, any glass in a door, or glass within a 24 arc of a door, is required to be safety glass. There are several conditions for safety glass. When it shatters it disintegrates into harmless pieces unlike normal glass that becomes a safety hazard due to the sharp pointed pieces that are a result of shattering. Secure shatterproof function, will not be broken into small pieces of sharp. Is tempered glass required for windows? What is the Minimum Size for a Shower Door? For sloped glazing systems, the weight of the glass is the primary dead load. , Score a Line (Only If You Plan on Cutting It Away). 2. While it shouldn't be used in high-risk areas where even more brute-force prevention is required, it is useful to have in many types of situations. we can meet your requirements precisely. Fully tempered glass installed without protective screens where glazed between intervening floors at a slope of 30 degrees (0.52 rad) or less from the vertical plane shall have the highest point of the glass 10 feet (3048 mm) or less above the walking surface. Tempered glass is a must for all of the glass adjacent to stairs, landings, and ramps. Please do not include personal or contact information. For glass sloped 30 degrees (0.52 rad) or less from horizontal. It is not that you can't have a window, it just has to have the correct glass. Tempered Glass. tempered glass must be cut to size before the tempering process. 2.13 Glazing Accessories. Code standards are often mistakenly thought of as the best standards, even though building code . Glass doors shall remain intact following a test impact at the prescribed height in the center of the door. 2.6 Clear Laminated Safety Glass. Glazing shall comply with the test criteria for Category II, unless otherwise indicated in Table 2406.2(1). Building Codes for Tempered Glass Close To Stairs. Free shipping for many products! The code requires a windows to tempered when it meets all of the 4 conditions above. B1 Residential Building Inspector Practice Quiz, B2 Commercial Building Inspector Practice Quiz, R3 Residential Plans Examiner Practice Quiz, M1 Residential Mechanical Inspector Practice Quiz, E1 Residential Electrical Inspector Practice Quiz, P1 Residential Plumbing Inspector Practice Quiz, Accessibility Inspector / Plans Examiner Practice Quiz, CT CALGreen Inspector / Plans Examiner Practice Quiz. . Glass doors shall remain intact following a test impact at the prescribed height in the center of the door. Nonfactored load in accordance with ASTM E1300. However, almost every single home inspection I perform in a new construction or gut-rehabbed properties . Make sure the glass is less than 18 inches above the floor. This rail however must be able to withstand a horizontal load of 50 pounds per linear feet and have a cross sectional height of no less than 1-1/2 inches. grade, a roof, walking surfaces or other horizontal [within 45 degrees (0.79 rad) of horizontal] surface adjacent In garages, inspectors The top of your window is less than 36 inches above the floor. We will cover glass in windows themselves next. Safety glass should be found in locations considered to be, according to the 2006 version of the International Residential Code (IRC), "subject to human impact." It describes these locations, as well as their exceptions, in This bathroom window safety glass requirement has been with us since 1991 edition of the Uniform Building Code. Does Pex tubing have any advantages over copper? Is it safe to use 1/4 inch tempered glass for dining table top? Glass in elevator cars shall be in accordance with this section. (I need to cut a hole). So, your journey towards installing a new glass set is quite easy now. Tempered spandrel glass shall be provided with a removable paper marking by the manufacturer. Tierra Gold Metal and Glass 4 Seat Round Dining Table Set with Luxury Velvet Dining Chairs. Also, your local building code will tell you when and . Tempered Glass Requirements When Using On Wet Areas. Glass installed in hoistways and hoistway doors where the hoistway is required to have a. Wherever you are planning to install the glass, at your home or office, you should know the proper use of different types of glass. 1. Performance grade rating of the skylight under positive design pressure; Performance grade rating of the skylight under negative design pressure; and, The dead weight of the glazing, psf (kN/m, Maximum load on the skylight determined from Equations 24-3 and 24-4 in. Suggestions are presented as an open option list only when they are available. According to the building codes, you should use tempered glass for both. Thank you, Mike. when is tempered glass required by code massachusetts. You should know the different building code requirements for tempered glass [when should you use]. When There Are Legal Requirements. Once the glass is tempered, you can't modify it or it will break. Tempered glass is preferred in areas where strength, safety, and thermal resistant properties are needed. Per Section R308.4.1 the first hazardous location that we find is glass that is located in a fixed and operable door. Where one or more sides of any pane of glass are not firmly supported, or are subjected to unusual load conditions, detailed, To be considered firmly supported, the framing members for each individual pane of glass shall be designed so the deflection of the edge of the glass perpendicular to the glass pane shall not exceed, Where interior glazing is installed adjacent to a walking surface, the differential deflection of two adjacent unsupported edges shall be not greater than the thickness of the, Float, wired and patterned glass in louvered windows and jalousies shall be no thinner than, Glass sloped 15 degrees (0.26 rad) or less from vertical in windows, curtain and window. In structures where acid fumes deleterious to metal are incidental to the, Individual glazed areas, including glass mirrors, in hazardous locations as defined in, Louvered windows and jalousies shall comply with. Glass in vision panels in elevator hoistway doors shall be permitted to be any transparent glazing material not less than, Glass in elevator car enclosures, glass elevator car doors and glass used for lining. Where required by other sections of this code, glazing shall be tested in accordance with CPSC 16 CFR Part 1201. 2. W. 18" from the window per exception #9, , I "d" 'dtb In ow IS not require 0 e 3M Safety Window Film lets you upgrade your glass to code for a fraction of the cost of replacing the glass. There are also four exception allowed, as noted below in the citation from the Residential edition of the Florida Building Code (FBC), and the . Each pane of tempered glass, except tempered spandrel glass, shall be permanently identified by the manufacturer. However this exception says that regardless of the vertical height, if the glass is located more than 60 inches horizontally from the edge of the water for the features listed above, then it is not required to be tempered. Glazing that is adjacent to the fixed panel of patio doors. Glass sloped more than 15 degrees (0.26 rad) from vertical in skylights, Wired glass sloped 15 degrees (0.26 rad) or less from vertical in windows, curtain and window, Wired glass sloped more than 15 degrees (0.26 rad) from vertical in skylights, sunspaces, sloped roofs and other exterior applications shall be designed to resist the most critical of the combinations of, Patterned glass sloped 15 degrees (0.26 rad) or less from vertical in windows, curtain and window, Patterned glass sloped more than 15 degrees (0.26 rad) from vertical in skylights, sunspaces, sloped roofs and other exterior applications shall be designed to resist the most critical of the combinations of, Sandblasted glass sloped 15 degrees (0.26 rad) or less from vertical in windows, curtain and window, For designs outside the scope of this section, an analysis or test data for the specific installation shall be prepared by a, This section applies to the installation of glass and other transparent, translucent or opaque glazing material installed at a slope more than 15 degrees (0.26 rad) from the vertical plane, including glazing materials in skylights, roofs and sloped. Glazing materials used as curved glazed panels in revolving doors. FREE Shipping. Whatever the window type is, fixed or moveable, the requirements are the same. The building codes demand a higher standard. The distance between any windows and the floor or steps of the stairs is the primary factor that determines whether you'll need tempered safety glass or not. The bottom edge of the glazing is less than 18 inches above the floor. Each pane of tempered glass, except tempered spandrel glass, shall be permanently identified by the manufacturer. Why can I no longer turn the knob of my self-locking door from the inside? . Tempered Glass Protecto at the best online prices at eBay! ) or https:// means youve safely connected to the official website. Tempered spandrel glass is permitted to be identified by the manufacturer with a removable paper designation. Where can I find an old work ceiling box for armored cable? The installation of replacement glass shall be as required for new installations. This section however has 4 exceptions that will not require the glass to be tempered. Glass installed in hoistways and hoistway doors where the hoistway is required to have a, The glass in glass hoistway doors shall be not less than 60 percent of the total visible door. The condition for tempered glass is if you place the glass within 36 inches of the surface of walking, and the visible glass surface is within 60 inches overhead any walkway. Thank you for your website feedback! Short duration load on the glass as determined in accordance with ASTM E1300. If the glass baluster panels are laminated with 2 or more glass piles that are equal in thickness and of the same glass type, then they are not required to have the top rail or handrail installed. For other than tempered glass, manufacturer's designations are not required, provided the building official approves the use of a certificate, affidavit or other evidence confirming compliance with this code. More specifically, if the bottom edge of the glass is not more than 18 inches above the ground, and the glass top edge is more than 36 inches from your floor. The window must be tempered if the pane of glass is larger than 9 square feet, the bottom edge located less than 18 inches above the floor, the top edge located more than 36 inches above the floor, and has a walking surface located within 36 inches from the window. You skipped the table of contents section. Free shipping for many products! Tempered glass has been required in all new construction since Jan. 1, 1965. Any door. MA State Building Code, 8 th ed, Base Volume. Chapter 24: Glass and Glazing (English, PDF 41.66 KB) This is part of: Eighth Edition of the MA State Building Code 780. Tempering stamps can face in or out on an insulated glass unit. This shall apply to single glazing and each pane in multiple glazing. So, following the proper the the Building Code Requirements for Tempered Glass requirements is a must here. Nonfactored load in accordance with ASTM E1300. 2. There IS wired glass that is impact-resistant (although the vast majority of the existing wired glass is NOT), so we need to know how to tell the difference. Glass in glazed curtain walls, glazed storefronts and glazed partitions shall meet the seismic requirements of ASCE 7, Section 13.5.9. Something important to note here is that this only pertains to glazing adjacent to doors that are subject to this section. Total glass thickness, inches (mm) of glass panes and plies. The identification. According to International Building Code, if you have any fixture with a door (bathtub, shower, sauna, etc. origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared . For other than tempered glass, manufacturer's designations are not required provided the building official approves the use of a certificate, affidavit or other evidence confirming compliance with this code. Nonfactored load in accordance with ASTM E1300. will require tempered glass. Instead of breaking into large, dangerous shards, tempered glass "spider webs" when it breaks. Every piece of tempered glass must have a permanent stamp or logo to signify it is tempered glass. What Is Meant By The Building Code For Glass?The building code requirements for glass are set for specifying a proper guideline for glass installation. Multipane glazed assemblies having individual panes not exceeding 1 square foot (0.09 m, Glazing in an individual fixed or operable, Glazing where the bottom exposed edge of the glazing is less than 60 inches (1524 mm) above the plane of the adjacent walking surface of, Glazing adjacent to the landing at the bottom of a, Glazing materials shall not be installed in, Glass installed in exterior railing in-fill, When the top rail is supported by glass, the assembly shall be tested according to the impact requirements of, Glazing in multipurpose gymnasiums, basketball, Glass installed as a part of a floor/ ceiling assembly as a walking surface and constructed with laminated glass shall comply with ASTM E2751 or with the load requirements specified in. Does it make sense to try mounting the jigsaw onto the table? The bottom edge of the glazing on the pool or spa side is less than 60 inches (1524 mm) above a walking surface on the pool or spa side of the glazing; and. The top of your window is less than 36 inches above the floor. Outboard panes in insulating glass units and other multiple glazed panels where the bottom edge of the glass is 25 feet or more above grade, a roof, walking surfaces or other horizontal [within 45 degrees of horizontal] surface adjacent to the glass exterior. Glass installed in exterior railing in-fill panels or balusters shall be laminated glass complying with Category II of CPSC 16 CFR 1201 or Class A of ANSI Z97.1. The glass is not subjected to further treatment such as sandblasting; etching; heat treatment or painting that could alter the original properties of the glass. Please limit your input to 500 characters. However, you should use tempered glass on the stair adjacent surfaces when it sits less than 60 inches of the lowest tread, and the glass is not more than 60 inches overhead the nose of the end tread. Generally, the thickness of flat tempered glass is 3.4, 4.5, 5, 5.5, 6, 7.6., 8, 9.2, 11, 12, 15 and 19mm; the thickness of curved tempered glass is 3.4, 4.5, 5.5, 7.6, 9.2, 11, 15 and 19mm. Second, glass that is located perpendicular, or less that 180 degrees, from the plane of a closed door and within 24 inches of the hinge side of an in-swinging door must be tempered. Glass in elevator hoistway enclosures and hoistway doors shall be laminated glass conforming to ANSI Z97.1 or CPSC 16 CFR Part 1201. One example of this can be stained glass located within a door. If the window is bigger than 9 square feet, you will have to use tempered glass for it. As result, the new law primarily will affect people who buy or sell residential property built before that date, as . Execution. Can I drill access holes so that I can change a front load washer door seal without unstacking dryer, Deciding whether to replace missing shingles or the entire roof, Why use a Thinner Water Pipe to Branch off From a Tee. After the annealing process, you cannot get back to the tempering process. The key here is when glass is located in walls, enclosures or fences facing all of the wet locations listed above, it must be tempered where the bottom edge of the glass is located less than 60 inches vertically from the floor. The top edge of the glazing is more than 36 inches (914 mm) above the floor; and. You cannot cut a tempered glass directly. Glazing in an individual fixed or operable panel adjacent to a door where the nearest exposed edge of the glazing is within a 24-inch (610 mm) arc of either vertical edge of the door in a closed position and where the bottom exposed edge of the glazing is less than 60 inches (1524 mm) above the walking surface. Where used in monolithic glazing systems, heat-strengthened and fully tempered glass shall have screens installed below the glazing material. When all these 4 conditions exist, the window must be tempered. Screens are not required below any glazing material, including annealed glass, where the walking surface below the glazing material is permanently protected from the risk of falling glass or the area below the glazing material is not a walking surface. Annealed glass is permitted to be used as specified within Exceptions 2 and 3 of, For additional requirements for plastic skylights, see, Where used in monolithic glazing systems, heat-strengthened glass and fully tempered glass shall have screens installed below the glazing material. For insulating glass units, all panes shall be tempered glass. One or more walking surface(s) are within 36 inches (914 mm), measured horizontally and in a straight line, of the plane of the glazing. Screens are not required below any glazing material, including annealed glass, where the walking surface below the glazing material is permanently protected from the risk of falling glass or the, Any glazing material, including annealed glass, is permitted to be installed without screens in the sloped glazing systems of commercial or detached noncombustible greenhouses used exclusively for growing plants and not open to the public, provided that the height of the greenhouse at the ridge does not exceed 30 feet (9144 mm) above, Screens shall not be required in individual, Each pane of the glass is 16 square feet (1.5 m, The highest point of the glass is 12 feet (3658 mm) or less above any walking surface or other accessible, Screens shall not be required for laminated glass with a 15-mil (0.38 mm) polyvinyl butyral (or equivalent) interlayer used in individual, Each pane of glass is 16 square feet (1.5 m, The highest point of the glass is 12 feet (3658 mm) or less above a walking surface or other accessible. Windows that conform to 120 mph wind loading will satisfy tempered glass requirements. For glass located within windows, the code does have 3 exceptions. The glazing is within 60 inches (1524 mm) horizontally of the water's edge of a swimming pool or spa. Tempered glass is a type of safety glass that is processed by controlled thermal or chemical treatment. The value for sandblasted glass is for moderate levels of sandblasting. The condition for tempered glass is if you place the glass within 36 inches of the surface of walking, and the visible glass surface is within 60 inches overhead any walkway. Adopts With Amendments: International Building Code 2009 (IBC 2009) . 1/4". So, the glass must be larger than 9 square feet and within 36 inches of a walking area, plus the bottom of the window has to be below 18 inches above the floor and top more than 36 inches above the floor. The uses of glass vary from place to place. Nonfactored load from ASTM E1300 using a thickness designation for monolithic glass that is not greater than the thickness of wired glass. If your piece of glass is marked like this, then your search is over and you can be certain that your piece of glass is tempered. How can you tell if glass is safety glass? 3) specifies that tempered (safety) glass is needed if all these conditions exist: The exposed area of an individual pane is greater than 9 square feet (0.84 m2).