FIRESTONE WATER BLOCK SEALANT(0)No Reviews yet Pinit Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: FSWBS Deliver 53 Available Pickup in Depot - FREE! Select Depot to check availability. Details Water block sealant for use behind the EDPM only when terminating the membrane into a brock chase. Details Back DetailsWater block sealant for use behind the EDPM only when terminating the membrane into a brock chase. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review