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Top Patio Door Installation Pros in Metro Detroit
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Patio Door Installation in Detroit: what to expect
Patio door installation in Detroit covers the doors between your house and a deck, patio or yard: sliding glass doors, hinged patio doors and French doors. Most Metro Detroit replacements swap an aging aluminum or wood slider that leaks air, sticks on a worn track or has fogged glass.
The critical details are at the bottom. A patio door sill sits close to grade or a deck, so the installer needs a sloped sill pan and proper flashing to keep water out of the subfloor and rim joist, which is a common source of rot in homes in Westland, Sterling Heights and Farmington Hills. All glass panels must be labeled safety glazing.
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What a proper job includes
- Measurement and choice of door style and operation
- Removal of old door and inspection of the subfloor and rim
- Sill pan flashing and water management at the threshold
- New door set level, plumb and anchored
- Safety glazing with permanent labels
- Locks, handles, screen and weatherstripping adjusted
- Interior and exterior trim and sealing
What drives the price
- Sliding, hinged or French style
- Frame material: vinyl, fiberglass, aluminum or clad wood
- Glass package and built-in blinds
- Size and whether the opening changes
- Rot repair to subfloor or rim joist
- Security hardware and screens
- Trim, flooring transitions and finishing
Rebuild Detroit does not publish price ranges. Get written quotes for the same scope and compare.
Permits and licensing in Michigan
Whether a permit is needed depends on the scope and the municipality. Changing the size of an opening or adding a new one needs a building permit (BSEED in Detroit); ask your local building department about same-size replacements. Michigan's Safety Glazing Materials Act (Act 311 of 1972) requires labeled safety glazing, such as tempered or laminated glass, in hazardous locations including sliding glass doors, storm doors and entrance doors.
Paid residential improvement work above a threshold set by state law generally requires a LARA Residential Builder or Maintenance and Alteration Contractor license. Windows and doors are not their own M&A trade (the closest are screens and storm sash, and carpentry), so ask which license covers the job and check the number on the LARA lookup. In homes built before 1978, window replacement is always covered by the EPA Renovation, Repair and Painting rule regardless of size, so the contractor must be an EPA certified firm using lead-safe work practices.
Verify: LARA license lookup EPA lead-safe (RRP) contractor rules Detroit BSEED How We Vet
How to compare quotes
- Ask how the sill will be flashed and sloped.
- Compare door styles for your space and furniture layout.
- Confirm the glass package and labels.
- Check the license on the LARA lookup.
- Compare warranties on rollers, seals and glass.
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Patio Door Installation FAQ
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