Use a circular saw with plywood blade or jig saw with fine tooth blade. This produces clean, even cut. Cut sheet before taking off film, or static charge will attract fine chips to channels. Remove any fine shavings or chips prior to installation. Condensation moving through layers continues cleaning channels, but get clean as possible. Leave film on sheet until ready to install, remove in an area free from dust. Thinner sheets may be cut with a utility knife using a clamp and secured straight edge to ensure an accurate, straight cut.

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