Cornell Corporation started as Fireproof Products Company in 1954 to manufacture a wood fiber and cement structural roof deck trade named PetriCal. In the late 1970's a new manufacturing plant was built on the complex to make urethane insulating foam enhancing the insulating properties of the PetriCal panels.
Around this time experimentation began with a new form of roof insulation for pitched roof buildings called "nail base roof insulation" which allowed for roof insulation for difficult to insulate structures such as cathedral ceiling buildings while giving an area to attach shingles or tile. The new product, ThermaCal, began production in 1979.
Cornell subsequently developed Vent-Top ThermaCal® to not only provide insulation under the shingles but ventilation to keep shingle temperatures down in hot climates and retard ice damming in cold climates. This was a revolution in the steep slope roofing inudustry.
Now, typical cathedral ceiling structures such as churches could benefit from extended warranties offered by shingle manufacturers through the use Vent-Top ThermaCal®. Schools and office structures could now be economically constructed with pitched roofs that fit in with the surrounding neighborhood.
The traditions of quality, technical assistance to the architect, contractor and roofer, superior products and personalized service are our hallmarks as we enter our 52nd year in business.
Cornell Corporation makes history again in 2005 with the first extruded polystyrene-based nail base and vented nail basethe X-Factor-ThermaCal® X and Vent-Top ThermaCal® X! Cornell exclusively offers fully machined panels with Tongue and Groove foam edges for minimum heat loss.
CORNELL CORPORATION
808 South 3rd Street
P.O. Box 338
Cornell , Wisconsin 54732
Tel: (888) 439-6411
Fax: (800) 267-8368
E-Mail: cornell@cornellcorporation.com
Web site: www.cornellcorporation.com
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