Top Rated Spray Foam Insulation Company in SeaTac, WA

Cascadia Spray Foam of Seattle delivers reliable spray foam insulation to residential and commercial properties across SeaTac, WA. Whether you’re a homeowner in McMicken Heights or running a business near SeaTac Airport, our services are built to improve energy efficiency, indoor comfort, and long-term value. We use high-performance open-cell and closed-cell spray foam solutions tailored to your building's needs. For attic insulation, foundation sealing, or complete wall coverage, we provide energy-saving results with lasting impact.

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Our Services

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Residential Insulation

Reduce utility bills and improve indoor comfort with airtight insulation built for SeaTac homes.

Commercial Insulation

Protect your building investment with professional-grade insulation designed to meet commercial codes and energy standards.

Open-Cell Spray Foam

Ideal for interior applications—provides sound dampening, flexible coverage, and excellent air sealing.

Closed-Cell Spray Foam

Adds structural strength and superior moisture resistance—perfect for exteriors, basements, and crawlspaces.

Attic Insulation

Seal leaks and prevent heat loss by insulating the most critical zone of your property.

Spray Foam Roofing

Protect your roof with an insulation system that resists leaks, weather, and UV damage.

Wall Insulation

Improve temperature control and energy performance with seamless wall coverage.

Exterior Insulation

Keep your structure energy-efficient year-round with moisture-resistant external spray foam.
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Foundation Insulation

Insulate basements and foundations to eliminate cold drafts and moisture entry from the ground up.

Unique Selling Point USP's

Energy Savings

Fully insured and code-compliant work

Eco-Friendly Solutions

Competitive rates with honest estimates

Expert Installation

Quality foam products installed by trained technicians

Long-Lasting Results

Prompt, local service with fast scheduling

Places of Interest in SeaTac, WA

Angle Lake Park

A popular public park with a lakefront beach, picnic areas, and swimming access—great for families and weekend outings.
Highline Heritage Museum in Burien, WA

SeaTac Community Center

Local hub for sports, classes, and events, providing a gathering space for residents of all ages.

Highline SeaTac Botanical Garden

A peaceful space with curated gardens, walking paths, and seasonal blooms that attract locals and tourists.

Des Moines Creek Trail

This greenbelt trail offers walking and biking paths through natural woodlands and scenic creek views.

Seattle–Tacoma International Airport (SEA)

A major travel gateway located in the heart of SeaTac, serving millions annually.

Bow Lake Reservoir

A functional utility site and local landmark often surrounded by open green spaces and walking paths.

Why Choose Cascadia Spray Foam of Seattle

SeaTac residents and businesses choose Cascadia Spray Foam for dependable insulation work, clear pricing, and consistent results. We understand the local climate, construction trends, and energy codes that impact your home or facility. Our job is to make your property more comfortable and efficient—without delay. Whether you're planning a retrofit or new build, contact us to speak with a specialist today. We’re here to answer questions, provide a quote, and schedule service fast.

Serving Areas:

Angle Lake, Bow Lake, McMicken Heights, Riverton Heights, North SeaTac, Des Moines Creek, McVan, SeaTac South, SeaTac Southeast, SeaTac East

Counties Served:

King County

Zip Codes Served:

98148, 98158, 98168, 98188, 98198

Frequently Asked Questions

What type of spray foam works best for homes in SeaTac?

Closed-cell foam is recommended for exterior applications and moisture-prone areas. Open-cell is a better fit for interiors and soundproofing needs.

How long does spray foam insulation last?

Spray foam is a long-term solution that can last 20 years or more when properly installed and protected.

Is spray foam safe for indoor use?

Yes, once cured, spray foam is safe, non-toxic, and improves indoor air sealing. We follow strict safety protocols during installation.

Can spray foam help lower heating bills?

Yes. Proper insulation can reduce heating and cooling costs by minimizing energy loss through walls, roofs, and floors.

Do you offer insulation services for commercial properties near the airport?

We service businesses throughout SeaTac, including locations near SEA Airport. Our team works around your hours to avoid disruption.

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