Throwing Rock Salt On Roof

Three to four times more expensive than rock salt according to this site.

Throwing rock salt on roof.

It also does not work well below 20 degrees fahrenheit. It should be no surprise then that it is the first thing many people think of to remove ice dams. However rock salt is a form of sodium chloride which corrodes metal including the metal nails holding your shingles in place. Putting rock salt and ice melt directly on your roof will damage shingles but by filling the socks with salt and ice melt tying them off and sticking a few in your gutters it will help clear them out.

There is a very good chance that the rock salt will cause premature corrosion of the metal panels. Again for the most part you don t want to throw any type of ice melt product on your roof. While it s rarer ice damming can also occur on roofs without gutters. Sodium chloride or rock salt is highly corrosive.

Why you shouldn t use rock salt on your roof in their determination to melt away ice dams growing on their roof s eave and thus potenti rock salt s ability to damage driveways and other outdoor pavements is relatively well known but there is another place where rock salt can do damage to your home on the roof top. In respect to this can you use rock salt on a roof. Rock salt can also leave permanent stains on your roof and walls. Use ice melt only when there s no alternative.