Dexpan Non Explosive Controlled Demolition Agent (44lb box) for Concrete Cutting, Rock Breaking, Excavating, Quarrying, Mining by Silent Cracking. Alternative to Blasting, Jackhammer, Diamond Blade Concrete Saw, Rock Drill, Demolition Hammer Breaker Concrete Demolition and Rock Breaking has never been EASIER! 3 Easy Steps to use: Drill, Mix, Pour. Amazing 18,000 PSI expansive strength when mixed with water. Cracks according to drilling patterns. Dexpan breaks Reinforced Concrete & Rock WITHOUT Noise, Vibration! SILENT Controlled Demolition. Hundreds Job photos! Alternative to demolition jack hammer breaker, jackhammer, diamond saw blade Type#2 (Rock, Concrete Temperature 50F~77F). 44 Lb. Box fills up to 35 linear ft. of 1.5 in. holes.