HIRING CHECKLIST
Window contractor and estimate checklist
Make competing proposals easier to compare by asking each contractor for the same core information.
Product details to get in writing
Ask for enough detail to identify exactly what is being installed.
- Manufacturer and product line
- Window style, size and quantity
- Frame material and color
- Glass package and performance options
- Hardware, screens and grille details
Installation scope
The proposal should explain how the old windows are removed and the new units installed.
- Insert or full-frame method
- Opening preparation and damage assumptions
- Flashing, sealant, insulation and air sealing
- Interior and exterior trim
- Cleanup and disposal
Business and project questions
Verify requirements that apply in your location and ask how scheduling, supervision and changes are handled.
- Who performs the installation?
- Are permits required and who obtains them?
- What product and labor warranties apply?
- What is excluded?
- How are change orders priced?
- What is the payment schedule?
Planning a window project?
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