However rock salt is a form of sodium chloride which corrodes metal including the metal nails holding your shingles in place.
Throwing rock salt on roof.
Again for the most part you don t want to throw any type of ice melt product on your roof.
There is a very good chance that the rock salt will cause premature corrosion of the metal panels.
In respect to this can you use rock salt on a roof.
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.
Sodium chloride or rock salt is highly corrosive.
Rock salt can also leave permanent stains on your roof and walls.
A do not put salt on your roof.
No steel comapany that i know of would honor a perforation warranty in this situation.
Use ice melt only when there s no alternative.
While it s rarer ice damming can also occur on roofs without gutters.
It also does not work well below 20 degrees fahrenheit.
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.