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地下室外墻“防水聚苯板”的作用是什么?

1.地下室外墻防水聚苯板起防水保護層的作用,是為了防止在回填土時由于外力作用對防水層的破壞。
2.不用多層板是因為聚苯板的變形能力比較大,而多層板的變形能力比較小。
全稱聚苯乙烯泡沫板是由含有揮發性液體發泡劑的可發性聚苯乙烯珠粒,經加熱預發后在模具中加熱成型的具有微細閉孔結構的白色固體。形態如我們買家具里面的防震泡沫。
1,用于建筑墻體、屋面保溫、復合保溫板材的保溫層;
2,用于車輛、船舶制冷設備和冷藏庫的隔熱材料;
3,用于裝潢雕刻各種模型;
4,用作防水層的保護層。

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