
Rmax Thermasheath R- 3.2 , 0.5-in x 8-ft x 4-ft Faced Polyisocyanurate Board Insulation
4.2
7 Questions
Read All Questions & AnswersThis says ok for use in windows. Does that mean it can stand up to UV light? Enclosed deck, frosted plexiglass roof, use beneath to stop heat rise!
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