Norseal BCF (Butyl Coated Foam), an efficient and cost-effective solution to the most demanding sealing applications. Norseal BCF features the compression/deflection properties of PVC foam with the high adhesion sealing of butyl. As PVC foam is compressed, it exerts a deflection force back to maintain sealing integrity. These dual properties provide the flexibility necessary for applications with irregular contours and complex shapes. The product also resists cold without cracking.