Insulation Services in Kent, WA

Compare 25 insulation services contractors near you in Kent and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 23, 2026

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Other Businesses in This Area

seattle-insulation.com

6½+ years online
seattle-insulation.com

316 Insulation Auburn

5.07½+ years online
316insulationservices.comGet a Free Quote

ACE CRAWLSPACE PRO LLC

5.02 years online
insulationcontractor-wa.com

Alcal Specialty Contracting Kent - Home Service Division

5.029+ years online
alcal.comGet a Free Quote

ASAP Insulation & Spray Foam

5.0

AT Spray Foam Insulation Olympia

5.018+ years online
at-foam.com/contact-us

Harrington Insulation

5.0

Spray Foam Insulation of Kent

5.0

Absolute Spray Foam Insulation Auburn

4.93½+ years online
auburnwainsulation.com

Green Attic

4.91+ year online
greenatticwa.com

INSULATION PRO INC

4.9
insulationpro.co

DANE'S Attic Insulation & Roofing Services Inc, WA

4.7

IDI: Insulation Distributors Inc.

4.7~15 years online
idi-insulation.com/location/tacoma-waGet a Free Quote

Insulation Contractors of WA

4.526½+ years online
iconinsul.com

Bay Insulation Supply of Washington

4.428+ years online
bayinsulationsupply.com

Service Partners

4.227½+ years online
service-partners.com/branches/wa/seattle/a37

Stone Insulation Service

4.0~4 years online
stoneinsulationservice.com

Thermal Northwest Inc

3.7

Insulation Services in Nearby WA Cities

Insulation Services in Kent, WA

Kent, Washington insulation contractors in this directory cover central Kent, the Valley, and surrounding King County. IECC Climate Zone 4C asks for R-49 attics. Most pre-2000 Kent homes have R-30 to R-38 of settled batts — topping up with blown insulation runs $1.40-$2.20 per sq ft. Closed-cell foam in basements and crawlspaces runs $4.50-$7/sq ft at 2 inches.

PSE and Puget Sound Energy offer home-performance rebates. The 25C federal credit covers 30% up to $1,200/year. Pacific Northwest humidity makes vapor management critical — most installers spec a smart vapor retarder.

Frequently Asked Questions

What R-value should my Kent attic have?
IECC Climate Zone 4C asks for R-49 attics. Most pre-2000 stock has R-30 to R-38 of settled batts.
Should I encapsulate my Kent crawlspace?
Often yes — PNW humidity drives moisture into vented crawlspaces. Encapsulation runs $5,500-$11,500.
Are there rebates?
PSE home-performance rebates ($300-$2,000), 25C federal credit (30% up to $1,200/year).

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