My garage is about 5 years old and I just became aware that it has no drip edge to keep water from migrating back under the roof shingles. The problem is that the shingled are very tight to the roof. Not sure if they are nailed too close to the edge or if stickey backing on the shingles is making them impossible to bend up in order to slip a drip edge in where it would do it’s job. I’m thinking I might be able to snip off some of the top edge (length wise) of new drip edge material so that it’s short enough, about 1 1/4″, and slipt under the shingles using some sort of roofing glue to lock into place. A contractor wants $1400 to custom make 4′ sections with a brake and face nail to the facia board. The garage is 24′ x 24′. Any pros out there who have an opinion? I’m greatful for any input.
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drip edge
Since no roofing pros have stepped forward I will put my two cents in.
How steep is your roof. (pitch)? Is there a fascia trim (like a 1x2)? How far are the shingles sticking out beyond the edge of the fascia or fascia trim? Does the roofing felt extend over the fascia / trim? Is there hard evidence that water is acturlly wicking back and wetting the decking etc.?
After five years, unless there is visable proof that water is migrating up under the roofing and wetting the decking &/or the top of the fascia, I don't think that it would be worth the time and money to solve a problem that has not yet occurred. You may do more harm that good.
No drip edge issue
I appreciate both replys. Now that you mention it there doesn't seem to be any leakage going on. The reason that I was concerned started with the fact that squirrls chewed through the facia just above the gutter and made a nest in the rafters. Upon seeing their hole I realised that there was no drip edge. The roof is a hip design. Not sure what the pitch is but it's pretty steep which is probably helping keep the water from migrating in.
An animal control company told me that the squirrls consder the garage as their home now since they have nested in it all of last winter and that if I just tack a piece of metal over the hole they will just move over a foot or two and chew another. That's why I got started on the drip edge. If I do try to install drip edge it won't be until August when it's hot and the shingle glue is more pliable.
Just remember, it's not their garage, and squirrels are pretty tasty when properly cooked.
Gee, where do you live that it's not hot enough now?
I was out this weekend replacing the leaf screen in our garage gutter and the shingles were plenty pliable. Replacing required lifting the shingles up for 4-5 inches back and I had no trouble, and I wasn't even using a putty knife.