The Black Soft Weatherproof EPDM Foam Sheets with Adhesive Back can withstand water sunlight and oxidation. The sheets are designed with closed-cell foam which limits water air and gases from being absorbed. Thickness: 3/16 Inch Thickness Tolerance: -0.025 to +0.025 Inch Hardness Rating: Soft Temperature Range: -90° to 275° F Cell Type: Closed For Use Outdoors: Yes Tensile Strength Rating: Good Oil-Resistance Rating: Not Rated Adhesive Type: Acrylic Adhesive Temperature Range: -20° to 200° F Color: Black Sheet Size: 36 x 36