Can you explain the recommendation?
Ask what the inspection found, what the options are, and why a particular scope is being proposed.
What is included in writing?
Review material choices, preparation, disposal, scheduling, payment, exclusions, and the approach to additional work.
Which credentials apply?
Check the contractor’s current registration and insurance and use manufacturer directories to review certification designations.
Who will I contact?
Know who answers questions, how changes are handled, and what to expect before, during, and after installation.
What do the warranties cover?
Ask for product and workmanship terms, eligibility requirements, exclusions, and the process for raising an issue.