After discussing options with the sales manager, Jarrett, I chose Owens Corning Duration Designer shingles. The warranty is good for 50 years and transferable. The finished roof looks good. It was completed within 3 days. The first day, 2 layers of shingles were removed. Five men worked from 8 - 5 p.m. The second day, the new roofing materials were delivered. On the third day, the men installed the new roof, working from around 9:30 - 5:30 p,m. They were trying to get it done before the heavy rain came. As it was dark, a couple of men returned the next day to clean up the debris around the yard.
Jarrett was helpful in explaining the process of removing the 2 layers of shingles and the Owens Corning Roofing System. The installation team were very hard workers. I would recommend Koala-T Exteriors for a new roof.