The material is 45-55% lighter than concrete.it can be cut, drilled, routed, trimmed, nailed, screwed, or bonded like wood. Name:lightweight wall claddiing slate-tree bark effectAdvantages:Engineered Composite Material(ECM).• The material is 45-55% lighter than concrete.• It has a PSI of approximately 1,700-2,400 lbs.• It has tensile and flexural strength of 650-850 lbs.• Fireproof: The material ...