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Removing Vinyl Sash Window On Double Hung Window


davbell22602's Avatar
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WV

10-20-12, 04:02 PM   #1  
Removing Vinyl Sash Window On Double Hung Window

Do you remove the top sash on a vinyl double hung window? I some scum on the inside of the glass on the top sash. Thought maybe I could take the top sash out and take it apart to clean it. I aslo tried cleaning around from the outside with bleach.

Here's some numbers on the vinyl frame:

H250717941, H010717942

BMDH Headtop
Bal. top 336S Bot 336S

Fullscreen
Frame 1 side white
94 140B83 28

 
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XSleeper's Avatar
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10-20-12, 07:56 PM   #2  
If you can't clean the scum off the inside or off the outside, then it's between the glass which means you need to replace the entire double pane insulating glass unit (IGU).

 
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10-21-12, 11:07 AM   #3  
How do I remove the top sash to replace the glass unit?

 
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10-21-12, 11:27 AM   #4  
Most people will let a glass company come and do it, since the IGU needs to be precision measured, then made, then installed.

And I can't really tell you how to remove the window without knowing whether it tips in to clean or if it's a side load. A lot of vinyl windows are "tilts" that tip in. Some of them you just tip them down 90 then they lift out of the pivot shoes. Others you have to tip down 90, then raise one pivot shoe and lower the other in order to get the sash out of the pivot shoes. Can't really say for sure without actually seeing the window and the balances.

To remove the glass there are glazing stops that pop off of one side or the other (u don't have to remove the sash to do this) and then the glass is either siliconed or taped to the frame on one side. You have to cut that sealant to get the glass out. If you can get the glass out without breaking it, you can take it to a glass shop and have them make you another.

Most vinyl windows have warranties, if you know the mfg and have the warranty or the transfer of warranty in the case of 2nd owners.

 
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10-21-12, 11:36 AM   #5  
The bottom sash will tilt in for cleaning. I assume the top sash will slide down to take it out?

 
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10-21-12, 02:00 PM   #6  
it will if you have a double hung (top opens) but a single hung will not (top is fixed).

 
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10-21-12, 02:55 PM   #7  
So is that how the top comes out by folding down the bottom for cleaning then slide the top down?

 
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10-21-12, 03:40 PM   #8  
Yes. The bottom sash gets opened halfway then tip it down. Then slide the top sash halfway down and tip it down. Then depending on the style of window it will either lift out or you will have to beat one pivot point down until the pivot bars come out of the pivot shoes. (they kind of difficult to remove, so like I said, you don't really have to remove the sash to get the glass out... removing the glazing strips around the glass perimeter is the way to get to the glass). Removing the sash and dropping it off at a commercial glass house is a good way to do it though if you don't want to mess with it. You just won't get it back for a week or so, so have a plan to cover the window if it rains or something.

 
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10-21-12, 04:05 PM   #9  
So I can go ahead install the double hung window unit then? I didnt want to install if it had to come out for sash removal.

 
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