Glass fiber grid cloth is the base or e-glass fiber yarn as raw material, glass fiber woven grid cloth as the backing material, then coated with liquid acrylic by copolymerization after drying and into a new type of alkali resistance products. This product has the structure stability, high strength, alkali resistance performance is good, anticorrosion, crack characteristics, enhance the best effect, and the construction is simple and easy to use. Mainly used in cement, gypsum, wall body, buildings and other structures inside and outside surface enhancement, guards against the crack, is the external wall thermal insulation engineering of a new type of building materials.