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Question DetailsAsked on 4/15/2014

About how much should it cost to replace a 6' sliding glass patio door ... including the door AND installation?

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3 Answers


Depends Totally on the Quality of the door , whether it is Aluminum or Wood ,

the age of the structure it is being installed in, and exactly where the door must be replaced and then trimmed out

I have seen such replacements cost as minimally as $ 1200.00 and as much as $ 4800.00

depending as stated on the door quality and the particular job scenario !

Each Job presents it's own particular scenario that must be dealt with .

Obviously , Jobs involving Ground level Installation are cheaper than projects requiring installation on the third floor level !

Answered 5 years ago by BentheBuilder


Ben's answer looks good to me though these days a $1200 replacement including the door unit would be a REALLY cheapo box store single-pane door unit - I would say $2000 bottom range is more normal for a decent quality unit, installed. There are a number of similar questions about sliding and french door replacement or installation costs in the Home > Doors and Windows category in Browse Projects, at lower left - a sampling of the relevant ones can be found right under this answer, too.

The biggest cost bump-up comes when you increase the size of the rough opening needed to install the door - because then you generally have to replace the header beam that carries the load over the door, and possibly supports under the floor as well, so your best bet unless you are doing a major remodel is to try to stay with a door that fits in the same size rough opening you have, or a bit less if necessary. Generally, I have found that is where the over $1000 installation cost jobs usually fall - plus of course higher story ones requiring a lift to get the door unit up there.

If you do not have an awning or canopy porch over the door this might be good time to consider having one put in - a door without rain protection is asking for leaks, particularly with french or sliding doors.

Answered 5 years ago by LCD


If you are in the New York Metro area, Tri-Pane Installations, sells and installs a high quality, Patio sliding door with low-e and argon gas, two point lock, with tempered glass, and a very impressive energy star rating for around $1,850.00 including labor, and debris removed.

Answered 5 years ago by the new window man

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