10 Pros and Cons of EPS and XPS Insulation

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2.) Mold and Mildew

PRO: Won’t support mold or mildew growth

Moisture promotes molds, mildew, dust mites, and other biological air contaminants, which cause allergies, asthma, or other health problems. EPS and XPS are resistant to moisture; however, XPS is more common for below-grade waterproofing and roof systems where insulation is placed over the roof membrane.


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