MO & IL Full-Service Insulation Contractor

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Energy-efficiency home insulation in St. Louis & nearby

You don't need a degree in thermodynamics to know that heat always spreads out to fill in where it is depleted. In the wintertime, heat moves naturally from inside to outside. During hot summer months, heat "wants" to go the opposite way, moving inside the house to make spaces uncomfortably hot.

This process will cause your home to be uncomfortable, have uneven temperatures throughout the house, and will increase your heating and cooling costs. However, after installing proper insulation and air sealing, we can help fix these home energy issues.

As a full-service insulation contractor, Woods Basement Systems, Inc. provides expert home insulation and precise air sealing services to improve areas such as walls, crawl spaces, basements, and garages, especially garage ceilings under bedrooms.

We Offer the Best Insulation Solutions:

  • Award-winning SuperAttic® Insulation System
  • The right material for the right job—always!
  • Accurate air sealing that keeps the air you paid to treat inside the home

Insulation Services

Attic Insulation

Upgrading attic insulation is usually a top priority for improving comfort & energy efficiency.

Crawl Space Insulation

Insulating & sealing the crawl space will improve home comfort and indoor air quality.

Basement Insulation

Improve comfort, energy efficiency & air quality throughout the home with this important insulation upgrade.

Free Insulation Estimates In Illinois & Missouri

We provide free evaluations and estimates for all of our home insulation services!

Wall Insulation

Upgrade under-performing wall insulation to eliminate cold winter drafts and wasted energy.


Improve the performance of your HVAC system with properly sealed and insulated ducts.

Air Sealing

Sealing leaks in a home's building envelope can eliminate cold drafts and help insulation work more effectively.

Air Sealing

Stopping conditioned air from venting into the attic will help improve home comfort and lower utility bills.

Contact us for efficient insulation in your home

If you have uncomfortable temperatures in your house, uneven heating and cooling, or rising energy costs, Woods Basement Systems, Inc. is here to help. We provide complete home insulation and air sealing services, including blown-in insulation, spray foam insulation, and rigid board insulation.

Woods Basement Systems, Inc. proudly services O' Fallon, Belleville, Florissant, Decatur, Ballwin, Belleville, Champaign, Carbondale, St. Charles, Cape Girardeau, and throughout the nearby areas. If you are interested in upgrading your existing insulation or would like new insulation installed, call us today at 1-844-204-8198 for a free estimate!

Looking for a price? Get a no cost, no obligation free estimate.

our service area

We serve the following areas

Our Locations:

Woods Basement Systems, Inc.
524 Vandalia Street
Collinsville, IL 62234