Sliding Patio Doors
A patio door does the same job as a window — hold back the weather while letting light in — but it gets quoted as its own line item, because it’s a door with different framing, hardware, and labor. Most replacements are sliders that ride on rollers in a track, though hinged French-style units are an option where you have room to swing them. When a patio door starts sticking or whistling, it’s often the single biggest air leak in the whole house.

Get a free quote from a vetted local window pro
One local expert, one call, one free in-home assessment — your info is never sold to a list of contractors.
- Free in-home assessment
- One vetted local pro
- No pressure, no spam
Best for
- ✓Replacing a slider that sticks, drags, or drafts
- ✓Deck, porch, and backyard access
- ✓Bringing daylight into a dim back room
- ✓Wide openings where a swinging door has no clearance
Why forever-home owners like them
- ✓Glides with one hand when the rollers and track are done right
- ✓Low-profile threshold options reduce the tripping hazard
- ✓A large glass panel brings in light without opening anything
- ✓Secondary locks and foot bolts are simple to reach and use
Things to consider
- •Roller and track quality decide how the door feels in year ten
- •Standard thresholds sit high — ask what the lowest-profile sill option is
- •Screens take the most abuse; ask about the screen frame and mesh
- •A big expanse of glass deserves a serious Low-E glass package
Cost note: Priced per door rather than per window, and usually the most expensive single opening in a project — more glass, more hardware, and more labor than a typical window. Ask to see it broken out separately on the quote.
FAQ
Why is the patio door a separate line on my quote?
Because it’s a door, not a window. It has its own framing, hardware, threshold, and flashing details, and it takes more labor to set correctly. Ask for it broken out so you can see what the door costs on its own and decide whether to do it now or later.
Sliding or hinged French doors — which is better as we age?
Sliders need no floor space to open and move with one hand, which most people find easier over time. French doors give you a wider clear opening and a more traditional look, but they need swing room and a latch you can work comfortably. Try both hardware types before deciding.
Our slider barely moves. Do we need a whole new door?
Not always — worn rollers and a dented track can sometimes be serviced. But if the frame has racked out of square, the glass is fogged between panes, or you feel air along the edges in winter, replacement usually makes more sense than chasing repairs.
Other window styles
Compare frame materials
Getting patio doors installed near you
We match homeowners across the Lehigh Valley and Poconos with one vetted local installer.
Get a free quote from a vetted local window pro
One local expert, one call, one free in-home assessment — your info is never sold to a list of contractors.
- Free in-home assessment
- One vetted local pro
- No pressure, no spam
