BULLDOG SECUREFLASH is a high performance, multi-purpose asphalt roofing mastic. This product is manufactured with select SBS polymers that provide excellent elongation and recovery. Manufactured with a trade secret ingredient that allows that enables the cement to provide 100% wet surface adhesion when tested in accordance with ASTM D 3409. An excellent emergency roof repair cement. SECUREFLASH can also be used for repair and adhere SBS modified bitumen roof membranes.