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Old 01-12-2011, 09:53 PM   #1
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Cold floor around windows.


Hello,
The floor surrounding our windows gets extremly cold in the winter and was wondering if anyone has any suggestions. There is a basement underneath. Should I just shove some insulation under the floor? Don't really have money to call in a professional. Thank you.
Mike

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Old 01-12-2011, 10:05 PM   #2
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Cold floor around windows.


Are the rim joists underneath it sealed and insulated?

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Old 01-12-2011, 10:12 PM   #3
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Cold floor around windows.


No, its an older house. The basement has no ceiling and looks like nothing is insulated.
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Old 01-12-2011, 10:19 PM   #4
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Cold floor around windows.


Also the windows have window boxes the come away from the house a bit.
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Old 01-13-2011, 08:45 AM   #5
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Cold floor around windows.


You want the basement to breathe, especially if you do not have a fresh air intake for the Furnace & Water Heater. Just placing R-13 or R-19 kraft faced batts into the Joist bays & Rim joist bays around the perimeter of the basement is enough to stop cold air. Just make sure that you seal any openings with Great Stuff foam or Caulk. You can go a step further by sealing with XPS foam board, and placing foam board on the walls in your basement to help not only place a Vapor Barrier on the walls, but also to help stop the Convection process.
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Old 01-13-2011, 08:46 AM   #6
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Cold floor around windows.


The window boxes have nothing to do with the cold. If your walls are air tight, but no insulation, the air space helps to insulate the wall space, but having insulation in the walls & along the basement upper wall perimeters helps stop the convection process.
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Old 01-13-2011, 01:48 PM   #7
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Cold floor around windows.


Thank you all for your help. I'm guessing you can buy these products at lowe's or somewhere like that. If not ill figure it out. Thanks again.

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