It’s not unheard of for roofers to give your old roof a visual inspection and make the call to shingle over it. Visual inspects will always fail to identify problems such as soft or rotten spots; and if those issues linger, they’ll only create larger problems for your roof in the future. The old roof should always be removed before a new one is put down to ensure all problems have been identified and addressed.
ARE YOU A LICENSED ROOFING CONTRACTOR?
Most states require roofing contractors to be licensed in that state to work; but codes and requirements will differ between states, which