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weatherstripping problem with windows

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12-31-01, 11:09 AM   #1  
weatherstripping problem with windows

I have moisture build up on the inside of my storm windows in the winter...when temp is below freezing outside..please tell me how to fix this...thanks Gary

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twelvepole's Avatar

Join Date: Aug 2000
Posts: 15,834

12-31-01, 01:27 PM   #2  
Ice inside windows in winter

Condensation and its freezing into ice on windows are typically indicative of too high humidity in the house. Get a humidistat to check your humdity level which should be somewhere around 50%. Running a dehumidifier will reduce humidity. Running bathroom exhaust fan for 30 minutes during and after showering and running kitchen exhaust fan during and after cooking will tend to get some of the humidity out of the house.

Another reason for ice on windows is excess heat transfer to the outside. If the ice appears in areas where heat can escape such as at the bottom or sides of windows where seals have deteriorated or windows do not fit well in frames or around panes that need reglazing, these are clues that heat is escaping to the outside. In severe cases, the interior windows can be covered with plastic to prevent heat escaping from the home.

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Join Date: Nov 2001
Posts: 1,873

01-01-02, 03:21 PM   #3  
Plastic over the window usually works and glazing is a common problem. Other things to look for is the latch. If you look closely at the latch, it is usually half moon shape and graded. What it is designed to do is push the outer sash up and the inner sash down and pull the two sashes together. After while this grade wears down and the window does not close tightly and heat escapes around the window and condenses on the storm. Simple and inexpensive solution is to change the latch. You could also weather-strip the sashes with foam strips at the bottom and top. There is also another product known as "V"seal. A vynal product that has an adhesive that can be applied to the top, bottom, sides and in between the sashes. These products can be found at Home Depot or Lowes and are very inexpensive. A little tip when working with these tapes is to clean the surfaces well before applying the product. If it's not clean it won't adhere well and fall off.

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