Products / FG 400 Series Pro Patch Silicone Sealant

FG 400 Series is a thick, high-build, 100 percent silicone rubber flashing-grade sealant for sealing roof penetrations that cannot be covered by spray or roller. It is applied by brush, trowel or putty knife, and its data sheet lists 92 percent solids by weight and VOC under 50 grams per liter. It comes in white, gray, clear and black in 1 and 2 gallon containers and 20 ounce sausage cartridges.