How to Choose a Licensed & Insured Window Contractor: 10 Vetting Questions

## Protecting Your Investment with Vetted Professionals A high-performance window is only as good as the installation behind it. Even an expensive triple-pane window will leak air and water if shimmed out-of-square or sealed with improper flashing. ### The 10 Essential Questions to Ask Every Window Contractor: 1. Are you licensed and registered with the state contractor board? 2. Do you carry active general liability and workers' compensation insurance? 3. Are your lead installers AAMA / InstallationMasters certified? 4. Do you pull all necessary municipal building permits? 5. What brand of flashing membrane and low-expansion foam do you use? 6. Is your glass seal warranty non-prorated for at least 20 years? 7. Do you provide a written workmanship warranty on installation labor? 8. How do you handle lead-safe containment for homes built before 1978? 9. What is the cleanup and debris disposal procedure? 10. Do you provide an upfront, transparent Fair Quote without sales pressure? We provide guidance on vetting independent contractors against these strict standards. Call for an upfront **Fair Quote**.