Spray Foam Insulation Services in Knoxville, TN

Knoxville Spray Foam Pros installs every common type of spray polyurethane foam insulation across Knox County and East Tennessee. Whether you need closed cell foam in a damp crawl space, open cell in an attic, or full coverage on a metal pole barn out in Maryville, our crew has done the job. Pick a service below to see specific pricing, R-values, and the install process for that Knoxville application.

Closed Cell Spray Foam

R-7 per inch, vapor barrier, structural rigidity. Best for Knoxville crawl spaces, rim joists, and below-grade walls. $3.00 to $5.00 per sq ft installed.

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Open Cell Spray Foam

R-3.5 per inch, soft, vapor-permeable. The default choice for Knoxville attics and interior walls. $1.50 to $3.50 per sq ft installed.

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Attic Insulation

Full attic spray foam retrofits for Knoxville homes. Cut attic temps from 140°F to 95°F. Typical 1,500 sq ft home: $3,000 to $7,500.

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Crawl Space Insulation

Closed cell encapsulation for Knoxville crawl spaces. Stops moisture, mold, and cold floors. Typical job: $1,500 to $4,500.

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Metal Building Spray Foam

Eliminate condensation on steel buildings, workshops, and warehouses across Knoxville. $2.50 to $6.00 per sq ft installed.

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Pole Barn Insulation

Barndominium and ag pole barn spray foam in Knox, Blount, and Sevier County. Typical 30x40 barn: $7,500 to $14,000.

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Rim Joist Insulation

Seal the biggest air leak in older Knoxville homes. Closed cell rim joist work: $800 to $2,500 typical.

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Spray Foam Removal

Safe removal of failed, off-gassing, or improperly installed spray foam in Knoxville. $2 to $8 per sq ft.

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