Rock salt contains corrosive oxidizing agents making it best suited for removing ice on harder.
Putting rock salt on roof.
Just say no to salting your roof.
The key is to avoid sodium chloride or rock salt.
However rock salt is a form of sodium chloride which corrodes metal including the metal nails holding your shingles in place.
Q i want to use a stocking with salt in it to melt the ice dam on my roof.
A do not put salt on your roof.
For these reasons rock salt is not a good choice when it comes to getting rid of ice dams.
Provided you use the right type of salt yes.
Is it safe to use salt on your roof.
Rock salt can also leave permanent stains on your roof and walls.
If you have them you may have heard of the practice of salting gutters this involves stuffing stockings or socks with rock salt then laying the salt in the gutter or on the dam to help melt the ice.
It also does not work well below 20 degrees fahrenheit.
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.
Unlike other substances salt won t impair your cognitive functions but people might conclude otherwise if they see what you ve done to your roof and property.
When used properly salt can effectively get rid of rooftop snow and ice before buildups damage your home.
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 potentially prevent leakage and damage to their home s interior many reach for.
For many homeowners in cold regions unsightly and damaging ice dams are a problem throughout the winter.