Buyer Beware!! Our bad experience with BP Canada: My father purchased BP Canada shingles with a 25 year warranty. He lives in Edmonton, Alberta Canada. This is the letter we sent to them in May 2010 to which we have had no reply: "New shingles were installed on my father's roof by B&B Siding & Roofing Ltd on July 30, 1999. For the past two years, my father has been dealing with B&B regarding his defective shingles (pictures attached). After frequent requests, a visit was made by representatives from your... read full review »