Earthwise impact windows and patio doors are laboratory tested. Impact resistant glass consists of two layers of glass thats bonded. This membrane is typically made of polyvinyl butyral pvb, a plastic film which varies from. Laminated glass is the primary hurricane barrier used in impact resistant windows. The setting block should have a shore a durometer of 855, support the entire thickness of the glass and be 0. Hurricane resistant stormglass obe oldcastle buildingenvelope.
Jul 12, 2019 replacing all the windows in your home with impact resistant windows is a major investment. Impactresistant glass is created by use of a safety glaze for laminated glass. Laminated glass, which is often used in impact resistant windows, doesnt always have this permanent mark. In this case, the laminated glass lite is usually the. Laminated glass is one of the most popular hurricane barriers that are used in manufacturing impact resistant windows. Impact resistant glass types product approval fpa documents rule 9b72 for statewide approval. While this impactresistant glass will probably still shatter upon strong impact from flying objects. Like any standard window, frame construction on a hurricaneresistant. The heated effect of tempered glass can be combined with laminated annealment to create a hybrid window. Hurricane resistant requirements graham architectural products. What you need to know about impact resistant windows before.
These forces are applied on every square foot of a window. Sealed insulated laminated impact glass is also available to provide improved thermal efficiencies the number of layers of each sheet of glass and the thickness of each, and the laminate interlayer can be varied in order to achieve the required performance. Impact windows use thick laminated glass and sturdy framing materials. While this impact resistant glass will probably still shatter upon strong impact from flying objects, it generally remains attached to the inner membrane and. We take pride in building what stands between the world and you. Kawneer recommends that you contact your local glass fabricator for availability and proper selectionapplication of large missile and small missile impact glass types. Our stormdefend impact resistant glazing products include various glass and polycarbonate makeups that are designed to resist shattering and breaking into sharp pieces. Laminated glass is also used in the windshields of cars.
Radiation protection products offers impact resistant lead xray glass in two options to meet the ansi z97. All smaller windows having the same system can be approved through comparative analysis and always complying with fbc sections 2411. Whether this is to stop burglars, whipping winds or debris from natural disasters like hurricanes, this glass is designed stronger and with a different way of breaking than traditional glass. In the summer, it reflects heat away from your home, keeping it cooler. Windows that are marketed as hurricaneresistant or stormproof are constructed with impactresistant glass treated with a layer of polyvinyl butral pvb or ethylenevinyl acetate eva. This can vary in thickness from 516 to 916 and glass type by using. Like the difference in glass thickness for the laminated product, you may be seeing different thicknesses of sacrifical glass the nonimpact glass of the dual pane igu offered in various windows. Building codes clearly define hazardous locations where impact safety glass is required.
Tempered glass often has a small label etched in one of the corners. If you already have a notice of acceptance and you wish to qualify a different impact resistant glazing, you are required to show three samples passing the complete set of tas201 and tas203 testing, and testing to tas202 will depend on the variations of glass type and thickness. Impactresistant keepsafe maximum glass features a durable interlayer that protects the home from flying debris. Impactresistant traditional awning window 1 maximum performance for single unit when glazed with the appropriate glass thickness. The most common way to achieve impact resistance in windows and doors is to select a product that uses laminated glass or laminated insulating glass. With the strength and resistance of temperament and the shatterresistance of lamination, these windows are often called impactresistant windows though some places label soley laminated windows as such too. Therefore, if you are residing near the beach, the glass windows and doors should be thicker. The thickness of this film can range, as can the uv tint or color. We offer a widevariety of window sizes, shapes, frame colors, and glass color.
This normally applies to non impact resistant windows, for impact windows the highest pressures obtained through comparative analysis may not exceed the cycled pressure tested. Bulletresistant products are similar to hurricaneresistant windows, but use a thicker version of laminated glass. As the impact codes are adopted by other municipalities outside florida, more hurricane impactresistant glass will be supplied as insulating glass units. This helps identify the glass with the name of the manufacturer and the standers under which it was made.
This type of glass is created by bonding together two or more panes of glass with a thin clear film between the panes. Our impactresistant laminated glass and laminated insulating glass are designed to withstand repeated impact from a ninepound 2 x 4 beam traveling at 34 miles per hour. Impact resistant windows are a coastal homeowners best friend especially during hurricane season. Firelite igu is a firerated insulated glass ceramic unit that also complies with energy codes. Laminated impact resistant glass is made up of 2 different sheets of glass which also has an interlayer which is what bonds them together. What is possible to forecast, however, is that impactresistant windows are your homes best chance for protection from the onslaught of a category 5 storm like hurricane michael. It takes an entire windowdoor system to make an impactresistant.
Glass with this designation has be tested to meet impact safety requirements required for areas such as doors, sidelights, and areas close to the floor. Lowe4 impactresistant glass provides all the benefits of monolithic impactresistant glass, while adding an insulating air space that helps keep homes cool in the summer and warm in the winter. Impact resistant windows and doors is not just laminated glass. Be sure to clarify with the window representatives that they are talking about the thickness of the impactrated glass and not the nonimpactrated glass of the dualpane insulatingglass unit. Hurricane season is gone, but the savings from impact windows last yearround. Our teams of engineers work with clear purpose to provide exactly the glass type you need. There are 2 different types of impact glass to choose from. I suppose a window manufacturer could argue that there is a very slight advantage in terms of impact resistance between the 7.
Insulgard offers innovative glazing materials provided for hurricane, tornado, wind and impact applications. What you need to know about impact resistant windows. Choosing the right impact resistant glass materials is a very important part of the process of buying windows and doors. Their overall thickness ranges from 716 to 916, as compared to typical single pane glass measuring an average of 18. Designed for coastal living, these windows and doors can stand up to just about anything that comes their way. Our impact windows will prevent a breach when a 6foot long 2x4 is fired at the glass travelling 60 mph. When comparing the two, the thickness of the windows has to be considered as a major factor in their ability to stop a. Many hurricane impact windows are made from laminated glass with a polymer layer between the two glass sheets. Select between laminated glass or insulated laminated glass.
Decide whether to use a loe coating or glass tints. Choosing between insulated laminated glass and laminated glass laminated impact resistant glass is made up of 2 different sheets of glass which also has an interlayer which is what bonds them together. Also, if something does strike the laminated glass on your impact window, the glass will still crack and need to be replaced, even though the window will deny the. Impact resistant windows can help deter wouldbe intruders from breaking into your home, and protect your family and home. Impact windows can be twice the cost of a normal non impact window of same type and size. We provide options of a 3m film solution or a laminate lead glass solution to meet your radiation shielding applicatio. Pgt series 700 general specs pgt series 700 was designed for lowrise buildings, that is, for structures in which windows or doors will be installed up to 30 feet of height.
Impact resistant windows and doors if you are evaluating replacement windows for your home or business or in the design stage of a new construction project, impact windows are your perfect solution to provide effortless hurricane protection. Some of the offerings may be annealed, some may be heat strengthened, and some may be tempered. The ideal thickness of a hurricane resistant glass or impact glass is determined by the location of your house. Lowemissivity lowe glass is a glass coating that improves the energy efficiency of your windows and patio doors. An impactresistant glass will probably shatter on impact. Performance of exterior windows, curtain walls, doors and impact protective.
Most impactresistant windows are constructed using aluminum, vinyl, or steel frames. Hurricane resistant requirements graham architectural. A 50 mph wind only pushes on a window or door with about 5 to 7 pounds of force per square foot of area, whereas a 100 mph wind applies 20 to 28 pounds per square foot, and a mph wind applies 34 to 47 pounds per square foot. The impactresistant glazing consists of two layers of annealed or tempered glass bonded to an intermediate layer of a shatterproof membrane. When it comes to impactresistant windows for coastal areas, the frame system, laminated glass and sealant must work together to resist the catastrophic forces applied during severe weather.
The nearer you are to coast al areas, the greater the risk is of a hurricane. In the winter, lowe glass reflects heat back into the room, keeping it warmer. If youre thinking of retrofitting your home with hurricane windows, heres what you need to know before you begin the process of replacing your regular windows with impact resistant glass. Impact resistant windows typically combine tempered and laminated glasses, creating a safe glass to withstand blunt force. The stormbreaker plus collection offer the highest level of impact protection. In addition, if we consider other important features provided by impact resistant windows, such as passive protection, noise reduction, uv blocking and increased security, we find that having impact resistant glass is a much more beneficial option.
Impact glass versus tempered glass windows whats the. Hurricane resistant windows or stormproof windows are composed of impact resistant glass, containing a layer of polyvinyl butyral pvb between 2 slabs of glass. About our glass pgt impact resistant hurricane windows. It is important to highlight that the costs highlighted above are for the product only. Firelite glass firerated glass ceramic from technical.
Usually, the laminate is made up of two pieces of glass of the same thickness. Lead xray safety glass impact resistant xray glass. All laminated glass should be installed on setting blocks positioned on the lower edge at the quarter points. The nonimpact glass is simply there to contain the gas between it and the laminated glass, completing the insulating glass unit. For windows and patio doors with impactresistant glass, see product instructions or refer to local building code requirements. What are the different types of impact glass materials.
The laminated glass used in impact windows adds another layer of 247 protection between residents of the home and intruders. See design data pages in this section for specific product performance class and grade values. The most effective type of impact resistant window is the innermembrane window. We have impact resistant products that will meet dade county, florida building codes andtexas department of insurance coastal and windstorm requirements. Hurricane impact resistant products use a thicker sandwich of glass and special film interlayer to make the glass unit stronger. Apr 24, 2019 windows that are marketed as hurricane resistant or stormproof are constructed with impact resistant glass treated with a layer of polyvinyl butral pvb or ethylenevinyl acetate eva.
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