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Closed-cell foam insulation differs from open cell foam insulation in the fact that closed-cell foam insulation has tiny foams cells that are closed and packed together. They are filled with gas that helps the foam rise. Open cell foam does not have this characteristic.

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What are the differences between open cell and closed cell insulation, and which type is more suitable for my home insulation needs?

Open cell insulation is less dense and allows for air and moisture to pass through, while closed cell insulation is denser and acts as a vapor barrier. Closed cell insulation is more suitable for areas with high moisture levels, such as basements or crawl spaces, while open cell insulation is more cost-effective and can be used in walls and ceilings. The best type for your home insulation needs depends on factors such as your climate, budget, and specific areas needing insulation. Consulting with a professional insulation contractor can help determine the best option for your home.


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What are the release dates for Ask This Old House - 2002 Preventing Ice Dams Applying Closed-Cell Spray Foam Insulation in an Attic 10-13?

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