Tempered glass is stronger than annealed glass. R308.4.5 Glazing and wet surfaces. If a guard is used the rail must be a minimum of 42" from the floor and comply with the 4" rule and of course not be climbable. Glazing between the floor and a height of 24 inches shall Glazing adjacent to doors – Windows/side panels wholly or partially within 300mm of the edge of a door and which is also wholly or partially within 1500mm from floor level must be safety glass. Whereas at bottom about 3′ height laminated particle board is thought of so that being Mezzanine floor the SS railing is not visible from the Lab. Glass sloped 15 degrees (0.26 rad) or less from vertical in windows, curtain and window walls, doors and other exterior applications shall be designed to resist the wind loads due to ultimate design wind speed, V ult, in Section 1609 for components and cladding. Tempered glass must be used if the window has the bottom edge which is 18 inches above the floor, and the top edge over 26 inches above the floor. According to the 2012 International Residential Code, it is required at these hazardous locations.. Any door. Your "hurricane protected" sticker is put on by a film company whose product is guaranteed through manufacturers testing to meet impact requirements. They must also include safety glass if the top edge is more than 36 inches above the floor, there is a walking surface within 36 inches of the glass, and/or they measure larger than 9 feet square. Windows: To figure out if your window need tempered glass, here is a quick guide! When I remodeled I had to use tempered glass on a kitchen window over a sink because the sliding door was within a certain distance so it required tempered glass. 2 – Double Pane Glass with typically 1″ Overall thickness that can be installed in 2″ Height … In some situations tempered glass is preferable. Also, any FIXED window with over 9 square feet of glass in it, must be tempered IF it is within 18" of the floor of your home. The code also says a guard may be safety glass of the laminated or tempered type or “wired safety glass”. The distance from the glass to the floor in this county if less than 18 inches requires glass to be tempered. The sills need to be over 19" above the floor (the last time I looked), or they have to have tempered glass in the bottom sash. * 18” above the floor in addition to 24” from a door. Yes. Where the opening of the sill portion of an operable window is located more than 72 inches above the finished exterior grade or other surface below, the lowest part of the clear opening of the window shall be a min. Glass in walls used as a barrier for indoor or outdoor swimming pools or spas when both of the following exist: 7 Benefits of Tempered Glass Windows. Key Issues The Approved Documents provide recommendations for the minimum height of windows above floor level and 4101:1-24-01 Glass and glazing. (Most tempered glass products can withstand surface compression of 10,000 psi!) ... regardless of area or height above a walking surface shall be considered a hazardous location. Guarding to window openings with low cill heights Introduction This guidance is intended to provide a common approach when assessing guarding provided to French windows and window openings in external walls with low cill heights. The Height of a Window Off of the Floor for Non-Tempered Glass Subscribe for weekly inspiration. Never the less, based on glass thickness, there are two choices: 1 – Single Pane Glass with typically 1/4″ thickness that is commonly installed in 1 3/4″ Height and 4″ or 4 1/2″ Width frames. 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