Where Can I Buy Foam Insulation Board ◎

: Polyiso typically offers the highest R-value per inch (approx. R-6.0), followed by XPS (R-5.0), and EPS (R-3.6 to R-4.2). Moisture Resistance

: Home Depot and Menards are primary sources for common brands like Owens Corning and SilveRboard .

: Foil-faced boards (common in Polyiso) act as a radiant barrier and vapor retarder, while unfaced boards are more breathable. where can i buy foam insulation board

: Websites like Insulation4US and Pexuniverse offer a wider range of densities and specific-use boards (e.g., under-slab or joist-specific).

: If you are installing under a concrete slab, look for a high PSI rating (e.g., 25–40 PSI) like the SilveRboard HD to prevent crushing. : Polyiso typically offers the highest R-value per

Mention the you're insulating (e.g., basement walls, attic, under a slab). Share the total square footage you need to cover.

: XPS is highly moisture-resistant, making it the standard for below-grade or foundation use. : Foil-faced boards (common in Polyiso) act as

You can buy foam insulation board at major home improvement retailers, specialized building supply stores, and online industrial marketplaces. Where to Buy