Open-Cell vs Closed-Cell Spray Insulation
Both insulation types have their benefits and applications:
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Open-cell spray foam is typically used for residential projects and is known for its air-sealing properties. It's very effective at filling in small cracks and gaps and works effectively for insulating for sound as well but it's not a moisture barrier.
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Closed-cell spray foam is often used in commercial and industrial projects and is effective at blocking moisture, as a result, it's also a great choice for residential basements and crawl spaces. It's known for creating an air-tight seal that water vapor can not pass through.
Open-Cell Foam
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Expands about 100 times its liquid state to fill cracks and crevices and create a very airtight environment. Provides additional sound insulation benefits as a result
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Considered air impermeable at 3.5" thickness minimum
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Typically used for residential projects such as insulating exterior walls, roof lines, and attics
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R-Value of 3.8 per inch of thickness
Closed-Cell Foam
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Expands about 40 times its liquid state to fill cracks and crevices and create a very airtight environment
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Provides an effective moisture barrier at 1.5" thickness minimum
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Often used in commercial and industrial applicationss insulating basement and crawl space walls where there's a need for a moisture barrier
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R-Value of 7 per inch of thickness
Not sure which you need?
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