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JCL Insulation LLC

If you’re looking for insulation services in Kirkland, Bellevue, Redmond, Woodinville, or Bothell, JCL Insulation LLC has you covered. We specialize in insulation techniques that can help improve the comfort of your home or business and reduce monthly utility bills.

Our experienced trained professionals have the knowledge and skills to get the job done right, on time and on budget. We take great pride in using the safest and most effective insulation materials available to ensure that your space remains insulated for years to come.

Benefits of Professional Insulation

If you make the smart decision to invest in professional insulation, you can enjoy more warmth in the winter by trapping in heat and a cooler environment in the summer by blocking heat. Since insulation acts as a buffer from outdoor and indoor noise, it can also leave you with a quieter space.

In addition, insulation can reduce the amount of energy you need to keep your home or business comfortable and save you a lot of money on your bills.

Seattle Insulation Services

We are pleased to offer a number of insulation services to homeowners and business owners in King County and Snohomish County. We offer insulation services for all types of spaces. Whether you have a home, office, building, or shop, you can count on our experienced team to evaluate your needs and design an insulation plan that allows for long-lasting benefits.

Crawl Space Insulation

If the floor above your crawl space is icy in the winter or you have to constantly keep the heat on to ensure the rooms above it are comfortable, insulation may be the ultimate solution. Insulating your crawl space can also prevent dampness, pests, and a moldy smell.

Attic Insulation

The most common symptom of poor attic insulation is rooms below the attic that get too hot or too cold, even when other parts of your home or business are comfortable. High electric bills and visible attic floor joists above or between existing insulation may also indicate that your attic needs to be professionally insulated. By upgrading your attic insulation, you can easily improve comfort while reducing heating and cooling costs by up to 40%.

Blow-In Insulation

Blow-in insulation is the best attic insulation option. It uses a special device to take pieces of fiberglass or cellulose from a bag and blow them toward the areas that require insulation. It allows our experienced team to fit insulation into every nook and cranny in your attic, allowing for optimal coverage.

New Construction Insulation

If you’ve recently built a house or business space, insulating it properly is essential. It’s more cost-effective to add insulation during the construction phase than it is to update it after you’ve completed your project. Our team can recommend the right insulation method for your construction project.


No matter what your sanitation needs may be, our highly experienced, certified team is here to help. You can trust to clean up your space and resolve issues with rats, dead birds, or anything else causing unpleasant odor. Depending on your situation, we may use the fogging sanitation method to leave your property smelling fresh and clean in no time.

Mold Remediation

We offer comprehensive mold remediation that utilizes the least amount of products necessary while adhering to all state standards. You can also count on us for proper testing on mold. Our various certifications and extensive experience ensure the highest quality results. Note that while we’re unable to get rid of all of the mold in the world, we will dispose of the most harmful, apparent mold.

Why Choose JCL Insulation LLC

For over a 30 years, customers in King County and Snohomish County have turned to us for all of their residential and commercial insulation needs. Here’s why:

Extensive Experience

We’ve been insulating homes and businesses in Seattle for over 30 years. Founder, Jim Loran has extensive experience in the insulation industry and only hires the most experienced, qualified insulation experts in the area.

Unparalleled Customer Service

We make customer service a top priority. When you choose us for your insulation project, you can expect exceptional customer service and the individualized attention you deserve. Our trusted team will go above and beyond to exceed your expectations.

Variety of Services

JCL Insulation LLC is your one-stop-shop for all things related to insulation. We offer a wide array of services to meet the needs of both residential and commercial clients including:

  • Crawl space insulation
  • Attic insulation
  • Blow in insulation
  • New construction insulation
  • Home, office, shop, and building insulation

Quality Materials and Equipment

The reality is that not all insulation materials are created equal. We use the highest quality materials that will give your home or business the insulation and protection it needs for years down the road. We don’t skimp on quality in order to save money.

Commitment to Client Education

Unlike most contractors who will simply show up, complete the insulation project, and leave, we take the time to educate you on the ins and outs of your project. You’ll understand why we chose a certain type of material and what makes it the best option for your unique space.

Free Estimates

We offer free, no-obligation estimates so that you can make an informed decision on your insulation project. Our estimates are accurate so you don’t have to worry about any hidden costs or surprise bills.

Get your FREE Insulation Estimate