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-   -   Replacing double window with sliding glass door. (http://www.diychatroom.com/f15/replacing-double-window-sliding-glass-door-156750/)

twalstrom 09-13-2012 10:15 PM

Replacing double window with sliding glass door.
 
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Hey Guys,
This is my first time posting so hello to you all!!!

What I am doing is very similar to this thread...... http://www.diychatroom.com/f15/putti...window-103950/

I would like to confirm that as long as there is a header going across the entire wall I can simply install my sliding glass doors using the existing window frame.

mae-ling 09-13-2012 10:26 PM

as long as the header is high enough and wide enough (can be higher and wider and just fill in) you're good to go.

joecaption 09-13-2012 10:27 PM

#1 You have to know what the rough opening of the door your planing on installing is before doing anything. If it's the same or smaller then the R/O of the windows it can be done without to much distruction.
If it's bigger then it's a lot more work because your going to be dealling having to install a longer header.

#2 That doors threshold has to be at least 4" above the finished surface of the deck.

twalstrom 09-13-2012 10:28 PM

Great, I will be posting pics of the process!! Thanks for the reply!!

twalstrom 09-13-2012 10:29 PM

Quote:

Originally Posted by joecaption (Post 1009498)
#1 You have to know what the rough opening of the door your planing on installing is before doing anything. If it's the same or smaller then the R/O of the windows it can be done without to much distruction.
If it's bigger then it's a lot more work because your going to be dealling having to install a longer header.

#2 That doors threshold has to be at least 4" below the finished surface of the deck.

Huh, that I did not know. What is the reasoning behind the 4"?

joecaption 09-13-2012 10:33 PM

It would have been a whole lot easer to have installed the door before building the deck.
There needs to be support installed under the threshold on the outside wall as well as flashing to protect the wall, Not sure how your going to do that with the deck in the way.

picflight 09-13-2012 10:34 PM

Quote:

Originally Posted by joecaption

#2 That doors threshold has to be at least 4" below the finished surface of the deck.

4" below or above?

Sent from my iPhone using DIY Forum

twalstrom 09-13-2012 10:41 PM

Also, what type of support does the threshold need? Is there a diagram or resource you could recommend?


Thanks!

joecaption 09-13-2012 10:56 PM

Opps my fault for the typo. The doors threshold needs to be 4" or more above the decks surface.
#1 That's code.
#2 That's to prevent water from getting in under the threshold.

If you take the time to look look around long enough on this site or any DIY site you will find hundreds of people dealing with floor, wall, foundation, sheetrock damage from this one common mistake.

I also always install any french door or sliding door so it sits in a sill pan. That way when the door leaks (and most do at some point) the water is directed outside not inside.
Just do a key word search on Jam Sill to see what one looks like.

The aluminum sill on a door sticks out behind the sheathing about 1-1/2". If it's not supported it will twist when steped on, which will cause nothing but trouble with the rollers, and the caulking to crack in the outside corners.
I use a piece of 1 X 6 vinyl lumber with stainless steel trim head screws to support it. No painting, no rotting, fully supported.

mae-ling 09-13-2012 11:19 PM

Fully agree with the support for the sill, I like to do this on all exterior doors.

joecaption 09-13-2012 11:25 PM

http://jamsill.com/

I've made a ton of money going back and having to fix sliders, french doors, even reguler doors that were not supported correctly.
Time and time again builders will use something like a pressure treated 2 X 4 or 6.
A 2X sticks out to far and will do nothing but make a funnel for water to get in. It also looks like poop.

twalstrom 09-13-2012 11:29 PM

I feel like I will have no problem doing that with the deck already there as it is at least 2" lower than my floor..

mae-ling 09-14-2012 12:36 AM

hard to slip in the 1x6 or even 1x4 support

joecaption 09-14-2012 12:39 AM

Or the water proofing behind it to protect the sheathing.

kwikfishron 09-14-2012 06:18 AM

Quote:

Originally Posted by joecaption (Post 1009519)
The doors threshold needs to be 4" or more above the decks surface.
#1 That's code.

So where does it say that anywhere?

Other than you bringing it up a few times I've never heard of or read that anywhere.


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