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Re: Roof Rake -- caution Posted by pme [Email] (#1496) [Profile/Gallery] (more from pme) on Thu, 28 Jan 2016 09:16:35 In Reply to: Re: Roof Rake, NJWayne, Thu, 28 Jan 2016 08:49:04 Members do not see ads below this line. - Help Keep This Site Online - Signup |
A few years ago, I used my roof rake to try to clear a drifted mound of snow that ran about 5 feet up my roof, over my front door.
It was a warm day and the snow was heavy and wet. I used the rake to pull the bulk of the snow down, and watched as the roof below where I cut the mound dried up.
That night, the leading edge of the remaining snow froze, right along my cut line, and formed an ice dam well beyond where the shield under the roof is. The next day's melt accumulated behind it and worked its way into the attic. I had to get on the roof then and clear the remaining snow.
What I do now is try to clear either all the way to the roof ridge in the dam prone areas, and elsewhere clear up 2 or 3 feet, at an angel to the roof edge so that if any dams form along my clearing line, any water melt behind them can escape.
Also, when we did some renovations a few years ago, we reinsulated the attics and have much less heat loss accelerating roof melt than we used to.
This past storm we were lucky. The winds kept the roof pretty clear (nearly all melted already), although gave me some interesting ground-level drifts to deal with.
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