
ROCKMAX magnesium cement board is a fireproof sheathing design for semi-exposed exterior wall. which is made from reinforced magnesium oxysulfate cement, grade E mesh fiber and waterproof polymers. ROCKMAX is leading chloride free mgo passed all the durability test to EN 12467(fiber cement sheathing standard). It is fireproof and cost effective sheathing, highly recommend for tile,brick,stone veneer substrate,ETICS underlayment, alumium...