We are Central Illinois' home for all of your insulation needs.  We pride ourselves on our hard work, skilled workers, and the ability to be a locally-owned, family business.  Allow us the opportunity to provide an insulation solution for your home or business.

You know that your home’s indoor air quality is important, but did you know that your insulation plays a large role in that quality? Insulation and sealing create a circulatory system for your home — and changes to one part can affect the others. At Assured Insulation, we approach your Decatur, IL home as a whole system, and we take your home’s safety as our top priority. Our goal is to provide you with a safe, efficient home.

Over 20 million Americans are allergic to dust mites.

Chemicals from cleaning supplies, furniture, and flooring can be toxic.

Dangerous, deadly gas can leak from combustion appliances

Approximately 15% of the U.S. population is allergic to dogs or cats

90% of the average American's day is spent indoors

Indoor pollutants can be 2-5x more concentrated than what's found in outdoor air