div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentfoam-it-bio-renewable-vented-vs-unvented-attic-stays-within-3-5-f-of-interiorhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=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 suns radiant heat energy are locked out in summer loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer20220429215f6975c3e5e177385c75dce8html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentfoam-it-bio-renewable-vented-vs-unvented-attic-stays-within-3-5-f-of-interiorhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=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 suns radiant heat energy are locked out in summer loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer20220429215f6975c3e5e177385c75dce8html5thumbnails2jpg width=140 height=200 divdiv