A standard two-panel sliding patio door is about 6 or 8 feet wide. Larger multi-panel and premium doors cost far more.
Cost at a glance
| Cost | Source | |
|---|---|---|
| Typical installed range | $1,200-$4,500 | Fixr.com cost guides |
| Glass-only repair (one panel) | Often a few hundred dollars | TheWindowCo estimate from published averages |
What affects the price
- Frame material: vinyl < aluminum < fiberglass < wood/clad.
- Size and panels: 3- and 4-panel doors cost more.
- Glass: low-E, impact or tempered safety glass (required) and built-in blinds.
Ways to save
- If the frame is sound, repair rollers and replace a failed glass panel instead.
- Choose a standard size.
Get an accurate price
Online averages are a starting point. Window prices depend on exact sizes, your home’s condition and local labor rates, so the only reliable number is an itemized, in-home quote. Compare at least three, and use our window cost calculator to sanity-check them.
Frequently asked questions
Should I replace a sliding door with French doors?
French doors open wider but need swing space and usually cost more to install, especially if the opening must change.
What readers paid
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Questions from readers
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