If the roof was installed over another layer or several layers and it is older than 20 years chances are you need a new roof.
How often to replace roof.
Unless it starts to leak or break apart you probably won t notice what s going on up there.
There s no a simply answer.
How often should you replace your roof.
Most experts agree that a typical roof will last between 20 and 25 years.
The lifespan of your roof is dependent upon a few key factors that are under your control.
Small leaks can be patched but larger ones structural damage and the age factor might make it wise and cost efficient to replace your roof sooner rather than later.
It also depends on whether the old roof was removed and you only have one layer of shingles and if it is properly ventilated.
When determining if you need a roof replacement it is important to consider all aspects of your roof such as its age condition and how well you maintain it.
However regular inspection for potential problems is recommended twice a year according to the national roofing contractors association.
Sadly an often ignored part of the house is the roof.
The entire roof is sagging.
5 upgrades to consider when re roofing your home.
First the biggest impact on the lifespan of your roof will be the material you choose.
Your roof is vital to the longevity of your home and yet most people have no idea how often they should replace their roof.