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Posted by Abe on October 16, 2006, 3:21 pm
>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.
Could be a hole to insert a stop into to prevent the windows from
being forced open from the outside.
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