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Why Choose ThermaSeal / Lakeside Insulation?

Integrity, knowledge and excellent service—these aren’t just words, they represent how ThermaSeal / Lakeside Insulation does business. Whatever your needs, you can trust us to offer high-quality home insulation products and services in Chicago and the surrounding areas.

A variety of services – from home attic insulation to commercial insulation, ThermaSeal / Lakeside Insulation can help you improve the energy efficiency and aesthetics of your home or building in the Chicago area. We install fiberglass, spray foam and cellulose home insulation products.

Chicago, IL Home & Business Insulation Contractors

If you are looking for a home insulation company in the Chicago, Illinois area, you’ve come to the right place! The expert Chicago insulation installers at ThermaSeal / Lakeside Insulation have been insulating homes, offices and commercial buildings in Chicago and surrounding areas for over 10 years.

ThermaSeal / Lakeside Insulation, a part of the Installed Building Products family of companies, has been serving Chicagoland since 2001 and helping residential and commercial customers alike increase energy efficiency and save money. We provide a variety of insulation installation services, all with one goal in mind: making your life easier.

Request a FREE quote for your home insulation project in Chicago today! Fill out the form to the side or give us a call at (800) 836-2535!

Insulation Company in Chicago, IL

Our Chicago metropolitan area insulation services include:

Chicago Home Insulation Installers

Are you looking to save money while living more comfortably? Do you need more home insulation in Chicago? At ThermaSeal / Lakeside Insulation, we are dedicated to giving homeowners the best quality insulation throughout the Chicago, Illinois metro area. Whether you need to insulate your attic with fiberglass or install insulation in your walls and basement, we can help! Contact us today to schedule your insulation installation in the Chicago, IL area.

Commercial Insulation Contractors in Chicago

Do you own an office or commercial building in the Chicago, Illinois area? How well insulated is the building? If you need to install more insulation, call our commercial insulation contractors! Our insulation experts have the experience required to insulate all types of commercial buildings.

Home & Commercial Insulation Materials

We can install different types of insulation to meet every need, including:

Benefits of Insulation Installation

Installing insulation in your Chicago home (or commercial building) offers a number of benefits beyond just maximizing your energy efficiency and saving you money. Properly insulating your home or building can help:

  • Lower your energy bills and maximize energy efficiency
  • Provide a more comfortable interior environment year round
  • Reduce noises from outside and inside, between different rooms and levels
  • Reduce your carbon footprint

Ready to Schedule Home Insulation Services in Chicago? Get a FREE Estimate!

ThermaSeal / Lakeside Insulation’s trained staff of professionals will get the job done on time, on budget and in a safe manner. With our experience and dedicated staff to serve you, you can rest assured you’ve come to the right place for expert installation of different types of insulation—from spray foam to fiberglass and beyond!

Ready to get started on your home insulation or commercial insulation project in the Chicago area? No matter what it entails, we can help—just call us today at or contact us online for a free estimate!

Insulation Products We Install

Our team installs both batt and blown-in fiberglass insulation.


Help prevent mold and excessive moisture infiltration in homes you build with our waterproofing services.


At Thermaseal / Lakeside Insulation, we understand the role a floor plays within a building system by controlling sound and fire.


ThermaSeal / Lakeside Insulation SERVICES

We install insulation in new and existing homes as well as at commercial sites. Let ThermaSeal / Lakeside Insulation help make you more productive and more efficient.

Whether you’re a Chicago homeowner who needs more attic insulation or a builder looking for an insulation installer for a large project, we can help—give us a call or contact us online. We’re looking forward to working with you.


Welcome to ThermaSeal / Lakeside Insulation, your source for professional insulation and other products for the home. Builders, contractors and homeowners throughout the Chicago area depend on us for a variety of products, and we are proud to serve them.

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