I'm wondering what the rule of thumb is for when you need to replace
the (asphalt) shingles on the roof. I moved into my house (in
Ontario) 10 years ago, and I think the roof may have been layed around
5 years previous to that. Having said that, I do need to get my
chimney repaired, and I need to replace the solar panels for the pool
both this year, so I'm wondering if it's worth my while to get the
shingles done at the same time or not.
I'm wondering if there's any way to estimate the remaining life of the
shingles, and whether it's expensive to get shinglers to remove/
replace mounted solar panels if they have to work around them.
Any info on this would be greatly appreciated.
Hard to guess precisely due to so many variable conditions. Here is a quick
Most 3 tab shingles are rated as 20 year
Most architectural types are rated at 30 or more years.
Most don't last much longer than the original warranty period or life
If end are curled and braking, getting close to replacement time.
If you have leaks, it is at or very close to replacement time.
If a lot of shingles have to be removed for the work that needs to be done,
it may be time to replace. If you see signs of trouble, it may be worth
replacing so you have peace of mind for the next 20 or 30 years. If they
are still in good condition, why not wait a few more years and keep the
money in the bank.
It depends on how the solar water-heating panels are mounted. if they
can be easil;y moved when it is time to reroof, then you can wait a
few years. But, if it will be difficult to replace the shingles after
the solar panels are updated, then that is a good reason to do them
both at the same time. A photo of what the roof looks like at the
present time would be interesting. If you are not losing a lot of the
stone granules that are on the surface of the shingles, and theyu are
not curling up, they probably are good for at least five more years.
You don't say where you live, as that has some influence on shingle
life. Hot sumer sun or extensive repeated freezing=thawing cycles
both take a toll. IF you live in the middle band of the USA, that is
probably best for long shingle life.
would also be doing the roof.
However, there are a few things you can check. Are there any areas
where the "grit" is missing from the shingles? Any curled or loose?
Check the condition od a shingle at the edge of the roof. Is it either
brittle or "floppy"?
Having the roofers remove the solar panels and not damage them is a
REAL long shot - and it WILL cost you.
I'm in Ontario too, and 15 years is stretching the "average" roof.
The part of the roof I could see looked good, while on the part I
couldn't see, the shingles were curling. That's because I could only
see from the ground the north side of the roof. It was much better
than the south side.
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