External wall insulation refers to a kind of thermal insulation material used in wall construction, which is mainly composed of polymer mortar, glass fiber grid cloth, flame retardant molded polystyrene foam board or extruded board. It has the functions of heat preservation, waterproof and decorative surface, and is the first choice material for external wall heat preservation of modern buildings.

1, Scope of application of this procedure: construction and acceptance of external thermal insulation system of industrial and civil buildings with polystyrene board as thermal insulation material, polymer bonding mortar as bonding material, polymer plastering mortar as plastering layer, alkali-resistant glass fiber plastic-coated grid cloth as reinforcing material and fastening nails as auxiliary anchorage.

2. Product material requirements: The technical performance of all materials used in external wall insulation construction shall meet the relevant national standards.