31 Of Your Toughest Roofing Questions Answered
Roof Repair Questions Answered Roofing Fails: How to Spot the Problem Q: How do you know when an asphalt shingle roof needs replacement? Are there clues to look for before telltale water stains appear on our plaster ceilings? —Pat, Plymouth, Minn. A: Tom Silva replies: There are several clues, and the biggest one is age. If your roof is more than 20 years old, there’s a good chance it’s due for replacement....