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Old 12-06-2006, 05:39 PM   #1
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Flat Roof-No overhang-with ICE Damn's


On the north side of my Chicago area home we get ice damns.
The roof is flat (2/12) and has no overhang.
What can I do to prevent or minimize ice damns?

Thanks!
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Old 12-06-2006, 07:32 PM   #2
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Flat Roof-No overhang-with ICE Damn's


Insulate the attic to start.
How much insulation do you have there?
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Old 12-06-2006, 07:59 PM   #3
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Flat Roof-No overhang-with ICE Damn's


There is approximately 8" to 16" between the the inside celing and the inside of the roof with roughly 6" of insulation - I believe it to be R19.

We have spacers to provide ventilation at the eves (lowest point) of the roof and to keep the insulation off of the inside of the roof.

Thanks for the response.
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Old 12-06-2006, 08:02 PM   #4
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Flat Roof-No overhang-with ICE Damn's


what type of roof?
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Old 12-06-2006, 08:04 PM   #5
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Flat Roof-No overhang-with ICE Damn's


It is a what I have seen on this site as a 'Torch Down' rubber roof.
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Old 12-06-2006, 08:09 PM   #6
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Flat Roof-No overhang-with ICE Damn's


If that is the most insulation that you are able to get in the space without blocking the venting then you may just have to get on the roof after a snow storm to brush the heavier snow off. With the pitch being so low the snow will just lay there and it will either melt from the sun or the heat coming up from the house.


You may be able to install the heated wire that will melt the snow and reduce the ice build-up.
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Old 01-31-2007, 11:53 AM   #7
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Flat Roof-No overhang-with ICE Damn's


Is this a Brownstone or a two flat, by any chance?
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