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Spray Foam (Closed-Cell)
Basements, foundations, roofs
Spray foam expands on contact, sealing air leaks while providing insulation. Closed-cell foam also resists moisture and can add structural strength.
Why people choose it:
Best solution for humidity control, air sealing, and maximum energy efficiency.
Where it’s used:
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Rim joists
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Attics & roofs
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Metal buildings
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Basements & crawl spaces
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Around penetrations & leaks
Benefits:
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Highest R-value per inch
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Reduces drafts & HVAC load
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Mold-resistant (closed-cell)
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Air + moisture control in one product
Best for:
Homes with air leakage, humidity problems, or high energy bills.
How it’s installed (simplified):
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Mask surfaces & set ventilation
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Apply foam in lifts
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Trim excess after cure
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Cover with drywall or ignition barrier
Considerations:
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Higher cost upfront
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Must be installed professionally
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Requires fire protection coating per code
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