How to replace an asphalt shingle
It’s usually easier and better to replace a few damaged shingles than to patch them. Each shingle is held by 2 sets of nails: one under the shingle above, the second 6 inches farther back.
Raise the shingle tabs that overlap the first set of nails and pull them with a flat pry bar. If you can’t pry out the second set of nails without harming the shingle above, just pull the damaged shingle out. Slide in the replacement. Avoid tearing the roofing felt. Nail the new shingle in place.
Professional tip
Cutting off the replacement shingle’s top corners helps to slide it in place. This job is best done on a warm day when the shingles are pliable.
Money-saving tip
Whenever you install a new roof, it’s a good idea to keep leftover shingles so that you have matching replacements for damaged areas.
If you have to replace a wood shingle please see the tips from How to replace a wood shingle.
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We bought a house a year ago and want to add a bit of an extension to a 5 year old roof. Wish we had the extra shingles - nice tip to remember
John E | Oct 19, 2008 | Reply
Great tips for DIYers who feel comfortable with heights. Because shingles should be replaced as quickly as possible to avoid further damage, sometimes a homeowner will have to replace an asphalt shingle in colder months. If the temperature won’t be above 50 degrees be sure to add roofing glue/adhesive to the dashed line on the shingle. This will ensure the top shingle properly attaches.
Aaron Klimchuk | Nov 5, 2008 | Reply