What are the advantages of XPS rigid foam board compared with other insulation materials?

XPS rigid foam board offers several advantages including high compressive strength, low water absorption, and consistent thermal performance. The closed-cell structure of XPS foam prevents moisture penetration, which makes it ideal for below-grade applications such as foundation insulation and basement walls. In addition, XPS boards maintain stable R-values even in humid environments. Because of these characteristics, XPS rigid foam board is widely used in demanding construction environments where insulation must withstand mechanical loads and moisture exposure.


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