Foam It - Bio-renewable content Vented vs. Unvented... · - attic stays within 3-5 F of interior...

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Transcript of Foam It - Bio-renewable content Vented vs. Unvented... · - attic stays within 3-5 F of interior...

Page 1: Foam It - Bio-renewable content Vented vs. Unvented... · - attic stays within 3-5 F of interior temp because hot outside-air and the sun's radiant heat energy are locked out in summer,
Page 2: Foam It - Bio-renewable content Vented vs. Unvented... · - attic stays within 3-5 F of interior temp because hot outside-air and the sun's radiant heat energy are locked out in summer,