Should I remove the masking film before cutting a polycarbonate panel?

No, the masking indicates the UV protected side which needs to face outwards - towards the sun. Masking should remain in place to protect the sheet during all phases of fabrication and installation.  Remove approximately two inches of film from sheet edges before installing.

Remember to remove ALL remaining masking immediately after installation.

To avoid accumulated heat effects, store sheets in a cool, dry place out of the direct sun. Installing the sheets with the wrong side out will void the warranty.
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