Your roof is wearing out – right now. Thanks to the UV radiation that bakes roof shingles until they are brittle, the summer sun takes more years out of a roof's life than any other environmental factor. If your roof is looking a little worse for wear, the summer is also a good time to think about having it repaired or replaced.

On my national home improvement radio show, roofing ranks among the top ten most asked-about topics; of those questions, the decision to repair or replace is a frequent area of confusion.

First, roof leaks can almost always be repaired without replacing the roof. Most roofs leak due to flashing problems, typically at an intersection of two roof components; roof and plumbing vent, roof and chimney, roof and wall, etc. An easy way to help pinpoint that leak is by strategically rinsing down each area with a hose until the offending spot is found.

To learn more about replacing a roof, read on.