heath tile glaze qualities 2007 catalog code m-1 ... in the installation acid resistance tile glazes without a are not acid ... for use on countertop surfaces or bathroom areas where products or substances with ... into repeat/prolonged contact with the tile acids may cause discoloration crazing ... affect the structural integrity of the tile though may lead to discoloration ... the natural beauty of the handcrafted tile no guarantee is made against crazing ... crackle tile when used in bathroomstiles must be sealed to prevent mildew ...
