Originally Posted by
Tartan
Looks fine but what happens when the water re-freezes? Does the alcohol prevent that? I think an experiment is in order before doing your step. For on the roof, I saw a report about using panty hose filled with ice melt that you throw up on the roof.
I saw that hint as well but who climbs up on the roof to retrieve the panty hose from the roof after it does its' job?