roof drains, almost flat roof

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Old 02-25-13, 02:10 PM
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roof drains, almost flat roof

I have decided to fix a recurring leak in an almost flat roof by removing the asphalt shingles, and wood deck and replace with new plywood and a roofing sealer that goes on like paint, but dries hard. My concern is, snow sits on this roof in the winter. I am afraid it will still leak. I considered roof drains, but fear the drins will freeze and leak.
My question is, do you think i could use the roof heater cables near the drains to melt the snow, or pipe heater tape inside on the roof drains to prevent the drains from freezeing?
Thank you.
 
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Old 02-25-13, 02:32 PM
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Add a pitched roof on top of the existing one? I did one recently for about 6k.. Lot's of work but could be worth it..
 
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Old 02-25-13, 03:05 PM
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I consideted a pitched roof on top of the flat roof, but this is an addition to a house, so the new pitched roof would need to tie into the main roof. Which makes for a large roof. Plus, this is an old house built by drunken farmers before building codes. I would be afraid the exsisting walls could not support the weight of a larger pitched roof. And, it is a hand dug cellar hole with hand built stone foundation. Soany weight added to the roof would probably need to have a new load bearing wall on a new foundation. I also considered a roof membrane, but that would probably cost more then the house is worth
 
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