I have sliding windows in my apartment, and on the bottom of the inside tracks, there is a perfectly circular hole in the plastic. They let out a good deal of heat this way, and make the surrounding area a bit chilly and drafty. What is the purpose of these holes? Can they safely be filled in with caulk? Thanks.
Sliding Window Bottom Inner Track Hole
Oct 16, 2006
4 Replies
The hole might function as a drain, to allow condensed moisture to escape. How big a hole is it?
Could be a hole to insert a stop into to prevent the windows from being forced open from the outside.
About half an inch in diameter. They're closer to the sides of the window frame than the center where each window overlaps.
One possibility is that a previous occupant was a radio amateur and ran a coax cable out that hole to an antenna. 1/2 inch would fit the most commonly used coax size.
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