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联邦德国标准DIN18164第一部分“建筑中用作保温材料的泡沫塑料”中对用于平屋顶保温的泡沫聚苯乙烯的要求有所阐述。根据该标准可知,用于保温处理的只能是由工厂生产、通过质量检查的板材和卷材。用热收缩薄膜把这些材料包装妥当运送到建筑工地。板材和卷材应为难燃的BⅠ级、密度是20千克/立方米。泡沫聚苯乙烯PSZOSE符合上述要求,而且这种材料质轻、耐擦,比压延而成的泡沫聚苯乙烯便宜。其不足之处是生产出来6个月以后收缩率约2毫米/米。使用时可能导致板与板之间形成2毫米宽的缝隙。产品生产出来以
The requirements for Styrofoam used for flat roof insulation are described in the Federal German Standard DIN 18164 Part 1 “Foam used as insulation in buildings”. According to this standard, only the plates and coils produced by the factory and passed by the quality inspection can be used for the heat preservation treatment. The materials are packaged in heat shrinkable film and transported to the construction site. Plates and coils should be of flame-retardant BI grade with a density of 20 kg/m3. Styrofoam PSZOSE meets the above requirements, and the material is lighter and rub-resistant, and is cheaper than calendered polystyrene foam. The disadvantage is that the shrinkage rate is about 2 mm/m after 6 months of production. When used, it may cause a 2 mm wide gap between the board and the board. The product is produced with