Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Rmax Thermasheath R- 3.2 , 0.5-in x 8-ft x 4-ft Faced Polyisocyanurate Board Insulation

Rmax Thermasheath R- 3.2 , 0.5-in x 8-ft x 4-ft Faced Polyisocyanurate Board Insulation

4.2
9
See Product Details
7 Questions
Read All Questions & Answers

This 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!