XFasten Silicone Sealant Waterproof Black Cartridge, 10.1 oz (4-Pack) Black Caulking Silicone Adhesive Sealant Cartridge for RV, General Use, Window, Door, Glass, Automotive Leak Sealing 4 Pack (10.1oz/canister) sold2025 MAT SIZE: 12 x 18

MAT SIZE: 12 x 18 inches (A3)

WR50X10017

Wallplate sold separately

Do be careful as you can easily gouge the concrete if not careful

If it becomes sticky after cleaning

XFasten Silicone Sealant Waterproof Black Cartridge, 10.1 oz (4-Pack) Black Caulking Silicone Adhesive Sealant Cartridge for RV, General Use, Window, Door, Glass, Automotive Leak Sealing 4 Pack (10.1oz/canister) sold2025 MAT SIZE: 12 x 18XFasten Silicone Sealant Waterproof Black Cartridge, 10. 1 oz (4 Pack) Black Caulking Silicone Adhesive Sealant Cartridge for RV, General Use, Window, Door, Glass, Automotive Leak Sealing Read more Read more XFasten Silicone Sealant XFasten Silicone Sealant XFasten Butyl Seal Tape XFasten Butyl Seal Tape XFasten Butyl Seal Tape XFasten Seal Repair Tape Color Black Black Black White Gray Black Quantity 1 Canister 8 Canisters 1 Roll 1 Roll 1 Roll 1 Roll