Abstract
According to the requirements promulgated by the state on the class of fire protection of the building insulation materials, the paper, on the basis of common external wall insulation system, introduces 3 kinds of new exterior insulation and finish systems , SJN combined self-thermal insulation wall insulation system, STP ultrathin vacuum insulation board exterior wall insulation system, composite exterior wall insulation system of polyurethane sandwich board, which are up to the national standard of A-class fire protection. The compositions, construction process, and features of above 3 kinds of new exterior insulation and finish systems are analyzed. The conclusions may provide theoretical guidance to the proper use of these 3 new external wall insulation systems in hot-summer and cold-winter area.
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