Quote:
Originally Posted by MarkinNH
I have used a straight clawed hammer to chop away at ice damns for many years with no problems. I just use it on the thick heavy ice near the edge of the roof. The key is to have enough intelligance and common sense to know when your close enough and it's time to stop.
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Agree. We have been clearing a lot of snow and ice dams. We`either use a straight claw hammer or a small hatchet to cut small channels in the ice to relive the water. An inch of ice left on the roof won't hurt anything. We never touch the shingles.