Best Insulation Contractors in Seattle


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Clean Crawls logo

Clean Crawls

Seattle, WA 98103
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Clean Crawls is a leading crawlspace and attic weatherization and pest control provider located in Seattle, Washington that is proud to be a 10-year winner of the Angie's List Super Service Award. They were founded with a mission to provide quality services that give their clients the peace of mind associated with a healthy and clean living space. The team of specialists provide many services including attic and crawlspace insulation replacement and removal, vapor barrier removal and replacement, air sealing, crawlspace and attic deodorizing, heat duct and water pipe wrapping and insulation, pest control solutions, and eco-friendly options like spray foam, cotton batts, and cellulose blow-in.

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Legacy Roofing Northwest logo

Legacy Roofing Northwest

Mukilteo, WA 98275
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Legacy Roofing Northwest, a division of America 1st Roofing & Builders, Inc., is located in Mukilteo, Washington and was first established in 1986. Since their founding, they have maintained a superior level and standard for excellence, safety, craftsmanship, and customer service. They provide a variety of services including insulation installation and removal, skylight fitting, gutter services, and various roofing services. Legacy Roofing Northwest prides themselves on the benefits of their services to their clients such as energy conservation, cost-saving, and fire, mold, and insect resistance. Their website offers many useful resources including a free estimate link, a services breakdown with descriptions, and their in-house Gold Standard warranty information.

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Precision Acoustical LLC logo

Precision Acoustical LLC

Federal Way, WA 98023
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Precision Acoustical LLC is a commercial soundproofing and acoustic services company located in Federal Way, Washington that has more than 40 years of experience. Owner Melvin Smith has been a part of the industry for many decades, and has maintained a genuine pride for his trade, which really sets him apart from his local competitors. The company provides services such as ceiling insulation, suspended acoustical ceilings, seismic upgrades, sound baffles, drywall grids, soundproofing, and fiberglass resin panels. Their services are all offered with warranties and a complete satisfaction guarantee, and referrals are available upon request.

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Rainier Insulation Services, Inc. logo

Rainier Insulation Services, Inc.

Auburn, WA 98002
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Rainier Insulation Services, Inc. is a commercial and residential insulation company located in Auburn, Washington that prides itself on creating safe, comfortable, and energy-efficient environments for each of their clients. They boast more than 13 years of insulation experience, and maintain a genuine dedication to the wellbeing of clients and their families. Rainier Insulation Services, Inc. provides insulation services for residential spaces, commercial spaces, and remodels, as well as new construction insulation solutions. They use only the finest insulation materials such as fiberglass, cellulose, and spray foam insulation, which are designed to retain heat, thus lowering heating costs. Free, no-obligation estimates can be requested on their website, as well as a breakdown of the brands and ratings of the materials they use.

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Specialty Insulation NW logo

Specialty Insulation NW

Kirkland, WA 98033
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Specialty Insulation NW is a Better Business Bureau-accredited company located in Kirkland, Washington that was originally founded in 1969. They recognized a need in the community for quality installation services and created a response to that demand. The construction teams pride themselves on their expertise and professionalism, and on being capable of completing each job correctly the first time. Specialty Insulation NW offers a variety of services including insulation installation and removal, soundproofing, and rodent remediation for both residential and commercial clients alike. They are committed to using only the finest, environmentally conscious name brand materials like Knauf Insulation, EcoBatt, Jet Stream, Perimeter Plus, and Green Guard.

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Frequently Asked Questions

Q: What does R-value mean in insulation?

A: The R-value of an insulating material refers to how well it prevents the flow of heat. The higher the R-value, the more effective a material is as an insulator. The R-value of insulation is typically expressed per inch of material thickness.

Q: Does fiberglass insulation burn?

A: No. Fiberglass is nonflammable and doesn’t burn. If it’s exposed to an open flame or reaches a high enough temperature, it will simply melt. However, if backing materials such as foil or paper are attached to fiberglass insulation, they may burn.

Q: What is an electrical insulator?

A: An electrical insulator is a material that doesn’t let electrical impulses pass freely through it. Electrical insulators may be used to coat wires or cables to prevent electrical shocks. Effective electrical insulators include:

  • Rubber
  • Glass
  • Air
  • Plastic
  • Fiberglass
  • Porcelain
  • Quartz

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