Cold Pour Crack Filler by GuardTop® is a high-performance pourable product that helps put a stop to damaging water penetration into your asphalt. Use before applying GuardTop Sealcoat, CoolSeal or GuardTop Ultra. A rubberized asphalt emulsion with greater flexibility designed for sealing narrow pavement cracks up to 1″ in width in asphalt and concrete surfaces. It has resilient characteristics that allow self threading or memory. It has excellent flow properties and no pinholing. Cold Pour Crack Filler by GuardTop is ready to use on roadways, parking lots, airports, athletic courts, driveways, pathways, traffic safety islands, playgrounds and walkways.