Fill it with calcium chloride tie off the top and lay it vertically across the ice dam.
Rock salt on rubber roof.
However rock salt is a form of sodium chloride which corrodes metal including the metal nails holding your shingles in place.
You don t really need to worry about clearing the entire roof unless you re concerned about the weight it doesn t seem like you are.
You ve seen what road salt does to the undercarriage of cars in the winter how it can rust and destroy a car.
Saltwater leaking into your home as a result of said leaks.
While safely on the ground toss a roofmelt tablet onto the roof.
Sodium chloride or rock salt is highly corrosive.
De icing salt keep roads and pathways clear and safe with our range of brown rock salt and white de icing salt.
I can t promise that putting ice melt on a rubber roof is a bad idea.
The roofmelt ice melt is designed to eliminate the need to climb onto roofs while melt snow.
The tablets help prevent roof damage by melting through ice dams and allowing water to drain safely.
Do not use rock salt.
Roof drains are only as good as the roof they are secured to and not disposing of the snow around the drains is the biggest issue which is why you need to use a snow pup for heavy acccumulations.
Ideal for preventing snow and ice from forming and for defrosting snow and ice white de icing salt works quickly to leave areas free from ice with virtually no residue.
Rusted roofing nails and flashing which may lead to rust streaks on your roof.
Rock salt can also leave permanent stains on your roof and walls.
But i would strongly recommend that putting ice melt on a rubber roof is a bad idea.
To use it on the roof as you will have to keep the snow off the rubber roof as it is now because it will not dissolve and flow out the scupper drains.
Tummy aches or worse for any animal or person who likes to eat snow.
Rock salt doesn t hurt asphalt shingles much but it can cause the nails holding your shingles to the roof to corrode.
It also does not work well below 20 degrees fahrenheit.
These rust spots can spread to make stains but more importantly your shingles will be vulnerable to being torn off in the next major wind storm or even falling off on their own.
A good trough maker is a tube of cloth a leg from an old pair of panty hose works well.
It rusts nail heads.
It should be no surprise then that it is the first thing many people think of to remove ice dams.
They work effectively in temperatures down to 25 f.