Seems to me that what you need is some foam window/door insulation that comes in a pressure can.

This stuff is specially formulated to be a great insulator and to not apply any pressure on the sash.

I got mine a Home Depot and it really works.

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PDQ

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"Gntry" wrote in message news:Jc8cf.702$PZ6.331@trndny07...
| I have a question about replacement windows...over the summer I had all my
| windows replaced with brand new "replacement" windows, not "new build"
| windows. Yesterday was a very windy day(65mph) and with the windows shut and
| locked, I could feel cold air blowing in from the sides, where the 2 sashes
| come together along the tracks on the wall that they slide up/down on(follow
| me?) I know when they were installed, there was insulation stuffed in the
| gaps before the finishing boards were put on.. anyway, my question is, does
| every/any window always have some amount of air leakage?
| Thanks for any input.
| CG in NY
|
|