Emphasis on the as possible part.
Salt on roof ice dams.
What kind of salt can you put on your roof for ice dams.
Tablets melt thru ice dams allowing water to drain safely.
It will damage the roofing siding gutters and downspouts and the poisonous runoff will kill foundation plants.
A do not put salt on your roof.
Rock salt is common for de icing driveways and paths.
Roofmelt works to 20f made of 100 calcium chloride.
Again for the most part you don t want to throw any type of ice melt product on your roof.
Fill pantyhose with sidewalk salt to break up ice at the edge of the roof.
Some people use table salt for de icing instead of rock salt.
Ask this old house general contractor tom silva explains the best ways to keep your roof and gutters free from those dreaded ice dams.
It should be no surprise then that it is the first.
However this is no better as chemically they.
See below for a shopp.
Simply toss tablets onto the ice dam in clusters.
When your roof heats up and melts the bottom layer of snow or ice the water leaks down to the edge of your roof and freezes again creating an ice dam.