Precision fit - fast installation!

Residential installation over sunroom - 4 1/2" R=20 Vent-Top Thermacal, Cornell Corporation's President's Home, Chippewa Falls, WI

West Clinic - West Bend, Wisconsin

Wea Ridge Middle School

Wea Ridge Middle School, LayFayette, IN - 57,000 sq/ft. Designed with a false ceiling to condition HVAC and mechanical equipment. Full shingle warranty due to the effective ventilation of Vent-top ThermaCal.

Fort Bragg Project

Our Company
What We Offer
Go Green
Energy Star Rebates

Cornell Corporation has 55 years of experience in providing roof insulation solutions for commercial buildings (view Company history). We have built a reputation for innovative, high quality and thermally efficient insulation products. These products have historically been specified by architects for commercial buildings only and made to order for contractors and roofers. Cornell Corporation offers these energy saving products, stocked in popular sizes, along with other unique building products—direct to you via cornellcorpdirect.com.

Through Cornellcorpdirect.com the builder or the home or building owner can purchase DIRECT-- the finest sloped roof insulation on the market, the ThermaCal® family, and the ThermaRIM family of insulated rim board for foundations. Cornellcorpdirect.com also offers commercial-grade insulation and building products from select manufacturing partners that you simply can’t find at retail.

To save you time, energy and money while preserving our environment by helping you go green with proven sustainable building products. And to offer you unique products for your home or building project that you simply won’t see at a ‘big box’ building center or wholesaler. Products ship when you need them. Why pay the extra cost and waste time with the ‘middleman’—go DIRECT with cornellcorpdirect.com!

Cornell Corporation Vent-Top ThermaCal, Vent-Top ThermaCal X, ThermaCal and ThermaCal X roof insulation products as well as our ThermaRim insulated rim board all qualify towards Energy Star rebates . For program details, click on the respective link.

Home Owner Tax Credits
The Manufacturers' Certification Statement required to apply for the rebates for homeowners.
The Manufacturers' Certification Statement required to apply for the rebates for home builders and commercial buildings.

Polyisocyanurate board insulation also qualifies towards Energy Star rebates. The Manufacturers' Certification Statement required to apply for the rebates can be found here .