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Lobby security upgrades were the highest-priority projects in the amended $40 million School Capital Fund for Buncombe County Schools.
The film thickness is selected for level of protection desired and the dimensions of the glass pane. Manufacturers recommend 100 micrometer film (2 ply) for glass up to 3 mm (1/8 in) and 175 micrometer film for glass over 6 mm (1/4 in). These films can be applied for security applications, where a delay of forced entry is desired.
In geographical areas requiring hurricane-resistant construction, laminated glass is often used in exterior storefronts, curtain walls, and windows. Laminated glass is also used to increase the sound insulation rating of a window, because it significantly improves sound attenuation compared to monolithic glass panes of the same thickness.
The thicker window films known as safety and security window film are designed to perform under extreme conditions, and as such there are specific standard criteria these films should meet, such as American standards ANSI Z.97, CPSC 16 CFR 1201, Cat II (400 ft-lb), and the British Standards BS 6206 (Class A, B, C).
The silica layer was selected to enhance durability and placed at the glass-film interface, while the fluorocarbon layer was placed at the film-air interface and incorporated a specific surface roughness into the design. The process involved the following distinct steps: preparing both the silica sol and water-repellent solutions, spraying the ...
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Bulletproof is a 2020 American documentary film directed by Todd Chandler, produced by Danielle Varga, and edited by Todd Chandler and Shannon Kennedy. The film explores the culture of fear that has developed at schools as a response to the perceived threat of school shootings and the industry that has developed to market products to secure schools.
See-through graphics on the outside of a window See-through graphics: the view outside is unobstructed. Perforated self-adhesive window films are often used to create see-through graphics. [1] A graphic is printed on the front side of the film which contains circular holes (perforations) covering up to fifty percent of the surface area.