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We have Slits / Gaps in our Window Installation. Can I cover them up.

Elesh Jamnadas's Avatar

Join Date: Nov 2012
Posts: 1

11-11-12, 11:46 AM   #1  
We have Slits / Gaps in our Window Installation. Can I cover them up.

Many of the Windows in our home have slits / openings in the Window.
Does anyone know what is the purpose of these. Is it okay if I cover these?

Please see pictures.

We are loosing cold / hot air from our house because of the.

Thank you

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Gunguy45's Avatar
Super Moderator

Join Date: Dec 2007
Posts: 20,653

11-11-12, 11:52 AM   #2  
They look like drain or weep holes. I can't believe they penetrate to the interior. Normally they are just in the lower frame channel to let rain water escape.

If those are slider windows, the sash weatherstripping should block most air infiltration.

"I sometimes wonder how some people ever made it to adulthood..."

jatco's Avatar

Join Date: Mar 2004
Posts: 1,045

11-12-12, 02:15 PM   #3  
I would check for air loss at the floor and sides of the door(s) / windows.. - Use a match...or cigarette lighter and see if the flame flickers when passing it slowing around the frame..
It is probably warn out/compressed felt/insulation trim at the door/window edges...!!

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