Roofing Oshawa, https://www.roofingoshawa.xyz/, Address: 372-378 Chaleur Ave, Oshawa, ON L1J 6N7, copyright , Phone Number: 647-477-2056 Air move carries dampness that impacts the temperature and integrity of your developing. Air-move impacts a building's habits in fire (distribute of toxic smoke and gasses). Prodex is a class 1 vapor barrier. A https://www.iformative.com/product/roofing-p2454584.html