Salvage shingles can work if the color’s close, but honestly, it’s hit or miss. Sometimes the mismatch stands out more than you’d think, especially after a few months of sun and rain.
That’s been my experience too. I patched a section over my garage last year with some leftover shingles from a neighbor’s project—looked fine at first, but now it’s like a faded patchwork quilt up there. Not sure if it’s the sun or just the age difference, but it’s definitely noticeable. I get wanting to save a few bucks, though. Roofing materials aren’t cheap, and if you’re not staring at your roof every day, who cares if it’s not picture-perfect?
Did you run into any issues with leaks after your DIY fixes? I always worry more about water getting in than how it looks. I’ve had a couple of spots where I thought I nailed the install, but then a heavy rain showed me otherwise. Ended up having to pull up a few shingles and redo the underlayment. Not fun, but at least it’s holding now.
On the solar attic fan—did you have to cut through any old repairs, or were you able to find a clean spot? I found that cutting into a patched area is a pain, especially if you’ve got layers of old sealant or mismatched shingles. Makes me wonder if it’s better to just bite the bullet and redo a whole section sometimes, but then the cost adds up fast.
How’s the fan working out for you, anyway? I’ve been thinking about adding one, but I’m not sure if it’s worth the hassle. My attic gets roasting hot in July, but I’m not convinced a solar fan would make a huge difference unless I seal up the rest of the attic first. Curious if you noticed any temp drop or if it’s more of a minor improvement.
Anyway, patchwork roofs aren’t the end of the world. As long as it’s dry inside, I call that a win.
Leak worries are totally valid—patches can look fine but still let water creep in if the underlayment isn’t sealed right. I’ve had to redo a couple spots after storms, especially where old repairs overlapped new work. As for the solar fan, cutting through a patched area’s always a gamble. If there’s multiple layers of old sealant, it’s tough to get a clean, watertight fit. Personally, I saw a noticeable temp drop in my attic after installing one, but it wasn’t dramatic until I addressed some gaps around vents and eaves. If your attic’s roasting, the fan helps, but sealing up the rest makes a bigger difference than folks expect. Sometimes patchwork’s just part of the game—staying dry beats a perfect color match any day.
If there’s multiple layers of old sealant, it’s tough to get a clean, watertight fit.
That’s spot on—old repairs can really complicate things. Even when everything looks sealed, water has a way of finding the smallest path in, especially if the underlayment’s been compromised. I’ve seen “invisible” leaks show up months after an install, just because a patch overlapped a weak spot. It’s frustrating, but you’re right—function over aesthetics every time. Addressing vent and eave gaps is huge too; air leaks add up fast. Sometimes it really is just about chasing down the last few trouble spots.
Even when everything looks sealed, water has a way of finding the smallest path in, especially if the underlayment’s been compromised.
Couldn’t agree more—water’s sneaky. When I had a fan installed last year, we thought we’d scraped off all the old gunk, but a tiny bit left behind near the flashing ended up being the culprit for a slow leak. Now I always check for soft spots in the decking before anything goes back on. Also, I’ve found that running a bead of high-quality sealant under AND over the flange helps, but only if the surface is totally clean. Anyone else ever try using a primer first? Sometimes I wonder if that’s overkill, but it’s saved me headaches on older roofs.
I get the urge to seal everything up tight, but honestly, I’ve had mixed results with running sealant over the flange. Sometimes it just cracks after a season of freeze/thaw.
For me, careful shingle integration and flashing have held up better than relying on goop. Maybe it’s just our Midwest winters, but I trust mechanical barriers more than chemical ones.“running a bead of high-quality sealant under AND over the flange helps”