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Spray Foam Insulation Professionals

Seattle’s Top Rated Closed-Cell Spray Foam Installer

Achieve maximum R value per inch with energy-efficient spray foam insulation installed by a trusted professional.

Let SI Handle Your Spray Foam Insulation Install!

Why Specialty Insulation NW?

Applying spray polyurethane foam (SPF) properly requires both specialized skills and equipment. We have you covered in each of these areas. Our skilled insulation installers high attention to detail has earned us hundreds of glowing reviews across the web. Access to our own top of the line spray foam truck insures consistent quality in each of our projects. Under most circumstances we can knock out a spray foam insulation install in just one to three days.

Depending who your energy provider is you could receive up to $1700 in instant rebates! We’re certified insulation contractors for PSE so if you qualify we’ll be sure to let you know.

What Our Customers Have To Say

We used Jimmy Williams at Specialty Insulation. He’s been wonderful to deal with, and his company did a great job… identified potential rodent access points for no charge. He made an aggressive bid for the work and delivered on everything.Barry Rakowski

I used SI for two jobs on my recently purchased home. Jimmy and his crew were professional… I felt the immediate impact of the new insulation in the seal, temperature and sound… I also noticed they use quality products. Great job and I highly recommend.Louis S.
This is easily the best insulation business around from my experience. The pricing is affordable and the quality of the insulation itself that you receive is top of the line. The customer service is outstanding… Highly recommendedAmber N Tom

This company is top notch. They helped me with attic insulation, rodent proofing and a moisture barrier for my home. I had a great experience with Specialty Insulation because the owner was on site and very professional. I highly recommend this company to all. Dr. Ben Baker

High-Performance Spray Foam Insulation

Closed-cell spray foam dramatically outperforms traditional insulation in r-value per inch, air sealing and moisture reduction. These unique benefits make spray foam insulation an ideal solution for the cool and wet Pacific Northwest climate.

Depending on what your needs are, we can outfit a single area of your home or do a complete installation covering your attic, basement, wall envelopes or crawl space. We welcome new construction projects and can even handle large industrial or commercial properties.