How do impact windows work?

Impact windows are made of laminated glass and contain an interlayer that is formed by bonding two pieces of glass together with a plastic film called polyvinyl butyral (PVB). The interlayer is placed between the two layers and then passed through rollers. It is then heated to approximately 158 °F (70 °C), which forms the initial bond. When impact windows are struck by extreme winds and debris, the glass may crack, but the window will not break apart, because it is still being held together by the interlayer.

How do impact windows work? was last modified: April 25th, 2016 by StormGuard

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