Super TUFF-R 1/2 in. x 4 ft. x 8 ft. R-3.3 Rigid Foam Board Insulation 268413 - The Home Depot
Blue Waterproofing Insulation Board, Packaging Type: Packet, Thickness: 8 mm at Rs 260/square meter in Ghaziabad
Amazon.com : BAZIC Foam Board 20" X 30" Blue, Colored Foam Boards 3/16 Inch Thickness, Presentation Signboards School Craft Project Framing Display, 25-Pack : Office Products
STYROFOAM R- 1, 0.25-in x 4-ft x 50-ft Dow Protection Board III Faced Foam Garage Door Board Insulation with Sound Barrier in the Board Insulation department at Lowes.com