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Yes, it is excellent for insulating crawl space walls[…]

No, rigid foam board does not support mold growth[…]

Typical values range from 15 to 60 psi, depending[…]

It can be painted only when covered with a[…]

Yes, it offers high thermal performance in limited space.

Termites can affect some foam boards; termite-resistant options are

This depends on climate and wall assembly; many foil-faced[…]

Yes, use foam-safe adhesives designed for polystyrene or polyiso

EPS and polyiso have improved environmental profiles; XPS varies[…]