All Stone Master products have certificates from European Union

Stone Master products have been extensively tested by American laboratories associated in ASTM.

Stone Master products have C-55 and C140 certificates associated with competitive strength , water absorption and moisture content. Stone Master products also have E-136 material combustion certification.

American replacement base coats, cement, grout, sealers, etc have been tested in European laboratories and were extremely compatible with our products.

Stone Master was tested in extreme weather conditions and installments were done on different groun works: traditional concrete and brick walls, plywood, exterior gypsum sheeting, stucco and DREVIT.