Fix Curled Corners

As asphalt shingles get older, their corners often begin to curl downward or upward. If you notice a shingle starting to curl, you can forestall the inevitable curling by gluing down the curled section.

Use a caulking gun to apply a dab of roofing sealant (about $4 per 10-oz. tube) under the corner. Weigh it down with a brick (right); leave the weight in place for at least 24 hours until the sealant dries. That's all there is to it.

Repair Cracked Shingles

If a shingle is simply cracked or torn, you don't have to replace it—just repair it. Start by applying a thick bead of roofing sealant under the crack. Press the shingle down and apply a second bead of sealant on top of the crack. Then spread the sealant with a putty knife.

The best part of this fix is that no one has to know you made it. It's easy to camouflage: Check the gutter for an accumulation of colored granules that have washed down the roof from the shingles. Then gather some into a small cup and sprinkle them over the sealant to mask the repair.

A new roof is a pricey proposition. These simple repairs can keep your existing roof sound for years to come.
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