About This Restore and protect surfaces with Dongxw Asphalt Crack Filler. This high elasticity formula seals cracks in asphalt and concrete with lasting flexibility. It is waterproof and weather resistant, helping prevent damage from moisture, UV, and temperature changes. Easy to apply, it bonds firmly and creates a smooth finish. Ideal for DIY repairs, this black crack sealant delivers clean, durable results. SUPERIOR BINDING & CRACK RESISTANCE - Designed with high-performance adhesion, Dongxw concrete crack filler forms a strong, flexible bond with concrete, masonry, brick, and stone. Resists cracking, peeling and shrinking, even under heavy loads, freeze-thaw cycles or structural movement 100% WATERPROOF & ALL WEATHER PROTECTION - Instantly forms a strong, waterproof barrier that prevents leaks. Designed for year-round durability, the asphalt crack filler resists rain, snow, UV rays, and extreme temperatures, preventing erosion, efflorescence and long-term structural damage FAST CURING & LONG LASTING RESULTS - No more longer waiting times - Our concrete sealer dries without stickiness in just 1-3 hours and fully cures within 24-48 hours. Ideal for driveways, sidewalks, patios and garage floors. Offers professional grade repairs that withstand time, traffic and tough conditions EFFORTLESS APPLICATION & SMOOTH FINISH - Designed for comfort, no mixing or special tools needed. Use a standard caulk gun to apply and let the self-leveling formula flow into cracks for a smooth, professional finish. Cleans easily with water, perfect for DIYers and contractors alike Overview Material : Silicone Brand : Dongxw Style : 6 Pcs, 6.6LB Item Weight : 6.6 Pounds Item dimensions L x W x H : 1 x 0.7 x 1 inches