What are some real world, down to earth questions to ask or methods to vet a potential roofing contractor for a home? I've read what's online about licensure, bonding, insurance, warranties, guarantees, subcontractors, expense breakdown, material pricing.
The roof currently has a single layer of nearly 30 year old shingles on it.
The roof currently has a single layer of nearly 30 year old shingles on it.