R-Tech 1/2 in. x 48 in. x 8 ft. R-1.93 EPS Rigid Foam Board Insulation 320810 - The Home Depot
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1/2 inch Black Foam Board Cut To Popular Sizes | foamcoreheaven.com
Foam Board 48X96 White 1/2" Thick
Project Panels Formular 1 in. x 2 ft. x 2 ft. Rigid Foam Board Insulation Sheathing PP1 - The Home Depot
Expanded PVC Foam Board, Black, 1/2" (0.5", 12MM) Thick, 12" W x 12" L (Pack of 2): Amazon.com: Industrial & Scientific
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