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It is rigid foam with aluminum foil facers that[…]

High-quality rigid foam insulation can last 50+ years when[…]

It provides some sound reduction but is not primarily[…]

Yes, it is widely used for insulating basement walls[…]

Rigid foam board has higher R-value per inch, better[…]

Yes, it is effective for attic insulation, especially for[…]

Polyiso offers better fire performance, but most rigid foam[…]

You can cut it using a utility knife, hot[…]

Yes, XPS rigid foam board is often used under[…]