Flashing refers to thin portions of sheet metal that are mounted in order to get rid of water passage into the room from a joint or an angle. Restoring roof shingles is a significant investment for all homeowners. Therefore, it makes sense to install new roofing components to take care of the integrity of the home and roof for the longest time possible.
In most cases, it saves to reinstall your flashing when you restore all the roof shingles. Certain sections may, however, become much stronger as ever. Plus, opting to reinstall each flashing section lowers the cost incurred on the roof replacement.
Typically, during reroofing, it is good to replace each and every flashing. Old flashing may begin to fail before the new roof’s lifespan is over. On the other hand, there are limited situations whereby we may settle on reusing flashing.
Local building regulations permit reusing of flashing, though, it’s not the preferred. However, Shingle manufacturers don’t recommend reusing old flashing on the roofs. This is because whenever you reuse it on the roof replacement, the nails may not go back on the same holes that there were in before.
When you want to replace your older roof, let’s say a 15+ year roof, it can be difficult to know:
- How the flashing was initially fixed
- Whether it was properly nailed
- Whether there had been any repairs on the flashing. And if so, what type of repair was done.
- Has the flashing been repurposed n its life span? If so, how many times?
To choose whether to reuse your flashing or not, we can carefully take out the flashing to avoid damaging it. We will then examine it before we decide to reuse it. If we are doing replacement on the shingles around the flashing, then the flashing should be detached, at least for the time being, to allow appropriate installation.
Some kinds of flashing, such as step flashing, might be a bit challenging to reuse. This is because it is much difficult to detach them from the shingles without denting them or else causing damage to them. Typically, we will replace step flashing when doing a new roof. Also, a new flashing should not be layered over the old flashing. Your roof is supposed to have only one layer of flashing at a time.
Installing new flashing is the only way that we can guarantee quality outcomes when replacing your shingle roof.
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