dense, highly viscous, petroleum-based hydrocarbon .

 membrane that separates and protects the interior of a cell from the outside environment .

 protective high build epoxy resin coating specifically developed to protect concrete and steel. Supplied as a two-pack system comprising pigmented base and a hardener .

 is a waterproofing material that is often used in industrial and commercial settings to protect surfaces from water damage. 

  Used for waterproofing buildings below grade by curtain injection, for injection into brick or masonry to seal the mortar joints against water ingress, and in tunnels, shafts and void injections. 

 waterproof membrane is made of thermoplastic polyvinyl chloride (PVC, polyvinyl chloride) by machine pressing.