Re: Take the old off or leave it on ,that's my question
back when Dad was in the fire dept, they put out their share of house fires... he said the hardest to put out was where people put lathes and metal roof over shingles...with the lathing on the shingles it allowed air to get under the tin and the shingles would burn like a furnace...
i know your not doing metal but food for thought..
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