Dexpan Expansive Demolition Grout 44 Lb. Bucket for Rock Breaking, Concrete Cutting, Excavating, Quarrying and Mining. Alternative to Blasting, Demolition Jack Hammer Breaker, Jackhammer, Diamond Blade Concrete Saw, Rock Drill (#2 (50F-77F)) 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. fills up to 35 linear ft. of 1.5 in. holes.