CertainTeed is the manufacturer of the roof shingles on our home, purchased newly-built in November 2005 and warranteed for 50 years. The roofing shingles failed to seal, and began blowing off during the very first storm season in 2005. This particular roof was selected for its claims to withstand severe weather. I have worked closely with our roofer and it has been demonstrated to me by him that the roof was installed correctly and according to the CertainTeed's specifications. Each winter since, we continued to experience shingle... read full review »