What are the differences between open cell foam and closed cell foam?
1. R-Value - Closed Cell foams have a greater density and a greater R-Value per inch. Open cell spray foams average 3.6 R-value per inch. Closed Cell Foams average 5.6 R-value per inch.
2. Vapor Permeance - Closed Cell Foams are an approved vapor barrier after 2 inches. They do not allow water in any form to pass through. Open cell foams will allow water to pass through.
3. Rigidity - The greater density means that closed cell foams are hard and rigid. Open cell foams are soft. Open cell foam can be removed by hand very easily.
4. Cost - Closed cell foams are about 60% more expensive per R then open cell foams.
5. Blowing Agent - Open cell foams are water blown. Closed cell foams are blown with non-ozone depleting HFC’s
The Hayes Company sprays both open cell and closed cell spray foam insulation products.
See:
Why would I want to use an open cell foam?
Why would I want to use a closed cell foam?
Back to Commercial Spray Foam
Why would I want to use an open cell foam instead of a closed cell foam?
Why would I want to use a closed cell foam instead of an open cell foam?
What Spray Foam Insulation Products does The Hayes Company currently use?
Why choose The Hayes Company for my commercial spray foam project?
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