Here at Nulu we like to stay abreast with all the latest developments with products in the roofing industry. Check out this video on the rigorous testing of GAF shingles. Mother Nature can give your roof a pretty extreme beating. That's why, as North America's largest roofing manufacturer, GAF scientists have gone beyond just the standard industry test to subject our shingles to some pretty extreme testing that simulates the worst that mother nature can dish out. So hold on to your Continue Reading ...