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aejamison 04-25-2010 07:34 AM

Window inserts vs. sash replacement kits
I am considering replacing some of my old windows. I've been looking at the Zap kit from Jeld-Wen. It seems to me if the existing window frame is square, then these kits install faster and give more glass space than a pocket insert. Am I missing something? Is there an advantage to pocket insert replacements versus the sash kits? Thanks.

eisert 04-28-2010 02:19 PM

I'm a contractor. In my opinion, stay away from the sash kits. They are a temporary bandaid. Every one I have ever installed has had one issue or another. Thats why I won't even touch them anymore except to throw them in a dumpster. They are crap. Period.

HomeSealed 04-28-2010 10:07 PM

I agree... For one, existing openings are NEVER perfectly square, secondly, sash kits leak air like a sieve. Your better off getting a quality storm window compared to a sash kit imo, but even that doesn't offer much cost savings compared to a mid-grade replacement window.

ajamison 04-29-2010 06:36 AM

Thanks for your replies - all the feedback I've gotten has been somewhat negative on the sash kits, so I think I'll go with the insert instead.

Just Bill 04-29-2010 06:38 AM

I have older Marvin tilt-pacs in my house and have installed many. They do not tilt easily, but I suspect that has been fixed over the years. The jamb liners tend to compress and the top sash will not stay up when unlocked. Other than that, I like them. I will concede that properly installed(air gaps insulated) pocket windows are probably more energy efficient.

Skuce 04-30-2010 12:46 AM

how "old" are the windows you are taking out?

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