Will Ice Salt Hurt Roofing Shingles

As new melt hits the ice it also freezes building up the dam and can even be forced back up under your shingles and into your roof and attic causing water damage ruining your insulation and creating ideal conditions for mildew growth.

Will ice salt hurt roofing shingles. In cold climes snow buildup on roofs often leads to ice dams usually at the gutter. Will rock salt or calcium chloride damage aluminum shingles. 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. The water trickles down between the layer of snow and the shingles until it reaches the eave of the roof which stays cold because it extends beyond the side of the house.

Salt is one of the most widely used minerals on earth. Putting rock salt and ice melt directly on your roof will damage shingles but by filling the socks with. 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. It is designed to shed water and interior damage caused by water entry in these cases is normally resolved through homeowner insurance coverage.

For canadian homeowners salt can be just as effective at removing ice and snow buildups on roofs before they cause harm to shingles and gutters or structural damage to the home. When it hits the eaves and breaks contact with the warm attic roof the frigid air refreezes the water. Neff s other inexpensive fix involves a sheer sock or pantyhose and rock salt and ice melt. An ice dam forms when the roof over the attic gets warm enough to melt the underside of the layer of snow on the roof.

Ice dams cannot crack unseal or damage roof shingles. Canada alone uses over 4 4 million tons of salt annually to clear roads and keep them safe during the winter. A shingle roof is not waterproof. Once all the ice has melted and water is allowed to drain freely the roof system typically regains its water shedding capabilities.

It s all but impossible to be effective with a roof rake due to the slope and a treeline getting in the way. Why you shouldn t use rock salt on your roof. When the snow melts the dam can route water under roof shingles and cause roof damage is calcium chloride safe to use on roofs. I know it d be bad for steel but will it corrode aluminum.

Sodium chloride is not due to it.