Spray foams, namely, polyurethane spray foams used as insulation or waterproofing for building roofing and foundations, tanks, vessels and digesters; coatings, namely, silicone coatings in the nature of silicone sealants for building weatherproofing and waterproofing; acrylic coatings, namely, semi-processed acrylic based resins and acrylic based sealants for waterproofing and weatherproofing building roofing, walls, tanks and vessels