Exterior gypsum board: 1 Fire-resistant gypsum board 2 Water resistant gypsum board 3 moistureproof gypsum board Exterior gypsum board:Features1) Non-absorbent, fire retardant and self-extinguishing2) Weather proof, vandal proof, can be shaped, molded, painted and screen printed3) Non-corrosive, non-toxic and chemical resistant4) Tough, rigid with high impact strength5) Non-warping and stain ; ...