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Insulation Contractors in Rockford, Illinois

Rockford, Illinois is a beautiful place to live, with plenty of lakes and gardens to explore. Whether you live in Brown Hills, Central Terrace, North End Square, or another area of Rockford, ThermaSeal/Lakeside Insulation can help you enhance the comfort and efficiency of your home. For over 10 years, our team of experienced professionals has provided complete commercial and home insulation services.

Get a FREE QUOTE today by filling out the form to the side or calling 800-836-2535!

Home Insulation in Rockford, Illinois

As we mentioned, insulating your home is one of the best ways to ensure its energy efficiency isn’t compromised. We see some pretty brutal winters and sweltering summers here in Rockford—but sufficient home insulation will help keep your home nice and comfy.

Learn more about home insulation »

Commercial Insulation in Rockford, Illinois

If you’re a business owner who wants to lower your overheads, we can help! ThermaSeal/Lakeside Insulation has been insulating office and commercial buildings in the Rockford, Illinois area and has the expertise and experience to recommend the ideal insulation material and install it correctly.

Learn more about commercial insulation »

About Our Insulation

Our Rockford insulation contractors can insulate your:

We use insulation materials to meet every need:


Attic Insulation

Your attic is one of the best places to insulate, as it is one of the biggest culprits when it comes to home energy loss. Warm air rises, and if your attic isn’t insulated – or doesn’t have enough insulation – all that heat will escape right out, leaving your home a lot less comfortable in the winter. During the summer, an attic that isn’t insulated can get much hotter, which makes the rest of your home a lot more toasty as well!

Learn more about our attic insulation in Rockford.

Wall Insulation

Wall insulation can provide not only decreased heating and cooling costs and a more comfortable home, but also superior soundproofing. If you’ve ever been in a home that doesn’t have wall insulation, you may have noticed how loud traffic and other outside noises seem!

Learn more about our wall insulation in Rockford.

Basement Insulation

The lowest level of your home offers a lot of potential for energy savings – but not if it isn’t well insulated! Even if your basement is unfinished and you don’t go down there a lot, don’t overlook it when it comes time to re-insulate. Basement insulation can help save you money and enhance the efficiency of your Rockford home.

Learn more about our basement insulation in Rockford.

Crawl Space Insulation

For a space so small, your crawl space can have a significant impact on your energy costs. If you don’t insulate your crawl space, your home can be subjected to all kinds of moisture problems – and skyrocketing energy bills! Whether your house has a ventilated or unventilated crawl space, our insulation contractors can help.

Learn more about our crawl space insulation in Rockford.


Fiberglass Insulation

Fiberglass is one of the most popular and cost-effective types of insulation material; it is also one of the most effective products at helping to stop heat transfer and can be installed anywhere in your home, from basement ceilings to walls and around ductwork.

Learn more about fiberglass insulation.

Cellulose Insulation

One of the most environmentally friendly insulation products, cellulose consists of mostly recycled materials. It’s similar to fiberglass insulation and provides good sound control and can work well in many areas of your home.

Learn more about cellulose insulation.

Spray Foam Insulation

Spray foam insulation is ideal for those small spaces, like the tiny cracks, gaps and crevices in your home’s envelope where air leaks in and out. When stopping air infiltration is critical, spray foam insulation is one of the best solutions!

Learn more about spray foam insulation.

Best Insulation Contractors in Rockford, Illinois

At ThermaSeal/Lakeside Insulation, we can help you with all your residential and commercial insulation projects. We will determine the ideal material for the area of your home or business you need insulated, whether it is fiberglass, spray foam or cellulose. Insulation can help save you money and increase the efficiency of your heating and cooling systems.

Contact us online or by phone at 800-836-2535 to get a free quote in Rockford, IL!

Products We Install
Fiberglass Insulation

Fiberglass insulation is often the most economical of insulation choices to buy and easiest to install.


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

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