Hail Study on a 15 Year Old Sprayed Polyurethane Foam Roofing System
By Dean Kashiwagi, Dhaval Gajjar, Jacob Kashiwagi, Kenneth Sullivan March 2016 Abstract The Dallas Independent School District (DISD) has utilized Alpha sprayed polyurethane (SPF) roof systems since the 1980s. Alpha SPF roof systems are high performing roof systems if installed properly and are...