1. How long have you been in business? 2. How local is your business? 3. Who owns your business, and for how long have they owned it? 4. What jobs do you have that I can go see? 5. Who, exactly, will be installing my roof? Are they employees or sub- contractors? Can I visit a project they are working on right now, and see them in action? 6. What training and experience does the crew have? Have they been trained by the manufacturer of my roofing? 7. What past customers can I talk to? 8. When would you be able to schedule my job? 9. How long will my project take? 10. Do you have proper licensing and certification? Insurance? Workers’ Comp? Please show me proof of these things. 11. Is a building permit required for my project and, if so, will you be pulling one?