Apply 1 tablet on every sqft of problem area.
Salt for melting ice on roof.
You should only use it on roofs in select circumstances like severe cold.
The tablets are specially formulated with calcium chloride so they won t harm your exterior like products such as rock salt which could rust your gutters and damage shingles.
Although there are others e g.
Urea ammonium sulfate glycols formates etc they are not easily obtainable nor are they widely used.
Simply toss tablets onto the ice dam in clusters.
The roofmelt ice melt is designed to eliminate the need to climb onto roofs while melt snow.
Rock salt is common for de icing driveways and paths.
Here are four reasons salt pucks are bad for your roof.
Some people use table salt for de icing instead of rock salt.
Comes in a 14 lb pail and is an estimated 60 pucks per container.
Salt pucks are supposed to eliminate the need to climb onto your roof and are designed to melt snow and ice before ice dams can form.
It will damage the roofing siding gutters and downspouts and the poisonous runoff will kill foundation plants.
However this is no better as chemically they.
Gently toss the tied off pantyhose onto the edge of your roof to begin melting the snow.
The key is to avoid sodium chloride or rock salt.
There are five commonly used types of ice melt a k a.
If it s applied routinely it can damage shingles nails eavestroughs and other fittings.
What kind of salt can you put on your roof for ice dams.
Purchase sidewalk salt also called calcium chloride from your local hardware or big box store.
If you must use salt at least choose the right type of salt.
The big five include.
Sodium chloride or rock salt is highly corrosive.
Roofmelt tablet then melts its way down and settles on the roofs surface.
Place this vertically on your roof near the edge so it will melt a section of snow and ice creating an area where the water can leak off.
Use roof melt tablets to reduce snow and ice buildup that occurs on your roof typically on the eaves and in gutters.
Rock salt contains corrosive oxidizing agents making it best suited for removing ice on harder surfaces like concrete.
Tablets melt thru ice dams allowing water to drain safely.
Roofmelt works to 20f made of 100 calcium chloride.
If there are heavy rains and you already put ice melting socks on the roof the rock salt will dissolve by water and will run down into your gutters so it s best to put them up when it becomes cold.
A do not put salt on your roof.
Contains 95 percent of calcium chloride and works down to 20 degrees f.
Begins working within 1 hour of application.