Lexar Insulation:
Proven and Enduring
Below Grade Insulation

Lexar Insulation below grade EPS foam insulation is stronger and lasts longer.

A Better Insulation Solution

Don’t Let Your Home’s Comfort and Energy Efficiency Be Compromised

If you’re looking for the best insulation for your home or business, look no further than Lexar. Our insulation is made from 100% virgin materials and is designed to provide superior comfort and energy efficiency. Plus, our insulation is easy to install and comes with a 100% satisfaction guarantee. Don’t let your home’s comfort and energy efficiency be compromised – choose Lexar today!

Energy Efficient

25% of a building’s heat is lost through the slab. Lexar’s EPS foam is efficient at retaining more heat for years to come.
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Termite Resistant

Preventol® termiticide prevents termite and ant tunneling.

Stronger

Lexar’s poly film on both sides is 3x stronger than our competitors. The poly film acts as the vapor barrier, which takes away the need to install a separate vapor barrier.

R-Value

Contains only virgin material for the highest quality product. Tested in real life situations. Will not compress or waterlog.

Easy Installation

Easy PEX and rebar installation, 6″ grid is printed on film on one side. Easily taped together. 4′ x 24′ fan folded product for one-man installation.

Shipping Storage

Easy shipping in 4′ x 4′ x 8′ skids shrink wrapped with runners.

Numbers Don’t Lie

  • Radiant floor heat is 33% more efficient than conventional hot air. 33% 33%
  • Up to 40% stronger than other flooring insulation, giving you more stability and performance. 40% 40%
  • ​​After 15 years, our boards keep 94% of their R-Value, while our competitors only withhold 52% of their R-Value 94% 94%

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Phone Number

Phone | 217-238-3030

Office Address

1020 Old State Rd.
Mattoon, IL 61938

Testimonials

The Best Low Grade Insulation

John Smith

We were very impressed with the quality of Lexar insulation. It was easy to install and it has made a big difference in the comfort of our home.

Steve Beers

I started installing some of the insulation last night. I am really loving the product! Easy to cut and it is very sturdy and easy to install.

Thank you for the help and the great product.