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重庆市建委已发出通知,从1999年3月1日起,规定推广使用一批新型建筑材料,限制、淘汰一批建材。其中:窗推荐使用保温气密性好的塑料窗,禁止使用并淘汰钙塑窗、实腹钢窗,严格限制使用木窗。管道材料 (1)室内给水管推荐使用铝塑复合管、交联聚乙烯塑料给水管、衬塑铝合金管、PVC—U塑料给水管等新型给水管,禁止使用并淘汰冷镀锌钢管;(2)户外用给水管道、给水泵房管道、高位水箱推荐选
The Chongqing Municipal Construction Commission has issued a notice and, as of March 1, 1999, regulations stipulate the promotion of the use of a batch of new construction materials to limit and eliminate a batch of building materials. Among them: The window is recommended to use a plastic window with good thermal insulation and airtightness. It is forbidden to use and eliminate calcium plastic windows and solid steel windows, and strict restrictions on the use of wooden windows. Pipeline materials (1) It is recommended to use aluminum-plastic composite pipes, cross-linked polyethylene plastic water supply pipes, plastic-lined aluminum alloy pipes, PVC-U plastic water supply pipes and other new water supply pipes for indoor water supply pipes. Use of cold-galvanized steel pipes is forbidden and eliminated. 2) Recommended for outdoor water supply pipes, water supply pump room pipes, and high water tanks