Author · Capital City Roofing · Published February 15, 2026
Contractor selection is your most important decision
The roofing system you choose matters, but the contractor who installs it matters more. Even the best commercial membrane will fail prematurely if seams aren't welded correctly, flashings aren't detailed properly, or drainage isn't adequate.
Use the eight criteria below to evaluate potential contractors objectively. Each criterion includes specific checkpoints you can verify independently, without relying on a sales pitch.