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Windows Installation: How to fill gaps?


Lorilee's Avatar
Member

Join Date: Sep 2014
Posts: 1
CANADA

09-04-14, 10:32 AM   #1  
Windows Installation: How to fill gaps?

Hello. I just had windows (professionally?) installed. They look good and seem to fit from the outside, however, I am concerned about the inside where the windows seem too small leaving gaps (e.g., please see attached photo). I have 9 windows in total with this same issue. I am wondering what needs to be done before the trim goes on. Any advice would be much appreciated!

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XSleeper's Avatar
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Join Date: Dec 2004
Posts: 19,288
NE

09-04-14, 11:46 AM   #2  
You need to make an extension jamb. Put the 4 sides together like a box. Make the outside-outside measurement about 1" bigger than. the width x height of your window. Shim and nail it to the rough opening, flush with the wall surface. Then when you have a gap where that jamb and the window meet, trim that on all 4 sides with a base shoe moulding, pushed tight to the window.

 
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