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Possible expensive mistake. Do I need this drywall return extension?

Possible expensive mistake. Do I need this drywall return extension?

Old 09-04-11, 06:24 PM
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Possible expensive mistake. Do I need this drywall return extension?

I just bought some double hung Marvin Integrity windows to replace some old aluminum windows that currently have sheetrock returns. My plan all along was to keep these returns when I removed my old windows. I'm replacing siding at the same time, which is why I went with a new construction window with nailing fins.

So I started poking around the Integrity website this evening and notice that there is an optional accessory for sheetrock returns. I'm going to attempt to embed the images, but in the event that fails they are all here: Double Hung Windows: Interior View - Integrity Windows

"Sheetrock Return":

So I walk out to my garage and sure enough that thingamajig isn't attached to my windows, which look exactly like:

I can't figure out how that sheetrock thing is supposed to be used. Is it supposed to slip over the drywall and serve as a sort of screen moulding so you don't have to perfectly cut the drywall in a straight line? Is it something I needed or would/will have made my life a lot easier when it comes to installing these windows?
Old 09-04-11, 07:49 PM
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Its not possible to slip a window with those optional sheetrock receptors onto existing sheetrock. The chances that they would exactly line up are slim to none. It's also not likely that the depth of the new window will exactly match the depth of the old window. You will likely need to remove the drywall returns, install the window, insulate around it, THEN install new drywall returns with or without the optional sheetrock receptor mouldings.
Old 09-05-11, 06:33 AM
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I don't know that I wouldn't like the 100% drywall return as opposed to having those flanges . You still have to finish the corners, and I just think leaving them off and doing an old fashioned SR return will be much better. The industry is obviously trying to save us from ourselves, and we don't really need it.

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