Very old shingles inadequate ventilation improper installation damaged sheathing multiple layers of shingles wet underlayment.
Roof inspection after installation.
There are four occasions when it is recommended to have your roof inspected.
1 after a new roof has been installed to ensure that the work has been completed according to your area s building code 2 following a major storm such as a hailstorm or hurricane to verify whether there has been damage.
In the attic look for signs of leaks.
Dark stains on the rafters or the underside of the roof decking material.
Nailing or progress inspection where the existing roofing material is being completely removed and replaced and the underlying sheathing is being replaced or added over skip sheathing a nailing inspection is required prior to any roofing materials being placed.
If you find dark spots see if they are still wet or are old.
If you ve considered having something installed on your roof soon whether it s solar ac or a satellite dish get an inspection both before and after the installation.
If it is soft it.
A roofing professional can check the new installation as well as the rest of your roof and make sure there s no recent damage or dodgy looking flashing.