Sliding vs. French (hinged) patio doors
Sliding patio doors are the more budget-friendly option and take up no swing space, which matters if furniture or a deck sits close to the opening. They're simpler mechanically but rely on a clean, level track, dirt and wear in the track are the most common source of sticking sliders.
French (hinged) patio doors cost more to install because they need two operable panels, proper astragal alignment between them, and often a stronger multipoint lock system, but many homeowners prefer the look and the fuller opening they provide for furniture moves or wide doorways.
What drives the cost on a patio door replacement
Because patio door openings are wider than a standard entry door, sill and subfloor damage is a bigger and more common cost driver, water intrusion at a failed slider track over years often means the wood subfloor beneath needs partial replacement, not just the sill.
- Sill and subfloor condition (common failure point on older sliders)
- Sliding (2-panel or 3-panel) vs. French/hinged configuration
- Glass package: standard dual-pane vs. low-E, argon-filled, or laminated safety glass
- Screen door included or replaced separately
- Grille or divided-lite pattern
- Multipoint locking hardware on French doors
- Opening width, standard 6-foot vs. wider custom sizes
Source: Cost drivers reflect line-item data from full-service door installations in the Central Pennsylvania market ((HomeGuide, 2024), (Angi, 2024)), with housing-age context from the U.S. Census American Housing Survey ((U.S. Census AHS, 2023)).
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Frequently asked questions
Why does my sliding door stick or feel hard to open?+
Usually dirt, debris, or worn rollers in the bottom track. A track cleaning and roller adjustment fixes most sticking doors. If the track itself is bent, rusted, or the sill beneath it has settled, that points to a replacement rather than a repair.
Are French patio doors less energy efficient than sliders?+
Not inherently, both perform similarly when properly sealed with quality dual-pane or low-E glass. The bigger factor is installation quality: a poorly sealed slider will draft more than a well-installed French door of similar glass rating.
How long does patio door installation take?+
A standard-size replacement into a sound opening typically takes half a day to a full day. Jobs requiring subfloor or sill repair, or widening the opening, usually take a full day plus additional time for trim and finish work.
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