Always one step ahead of the competitors!
Blosam definitely is a forerunner in waterproofing products field in China. We took the lead in developing and producing uncoupling waterproof membrane, underfloor heating mat, and tile backer boards series products. By meeting strict international standards,our products are rapidly mass produced and exported to Europe and North America.
The waterproof membrane has the North America cUPC Certification and comply with ANSI A 118.10 standard. The backer board has passed various tests: SGS NO CFC NO CFC. (Fluorine-free and bromine-free test), ASTM E84 test, European EN13501 test, American ASTM C518-17, ASTM C947, ASTM 473, ASTM 297, ASTM G21 test.