Contains 95 percent of calcium chloride and works down to 20 degrees f.
Salt to melt ice on roof.
They work effectively in temperatures down to 25 f.
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.
Apply 1 tablet on every sqft of problem area.
Make sure this fits by entering your model number.
It is not as likely to stain or cause corrosion as sodium chloride but it can damage wooden gutters.
Urea ammonium sulfate glycols formates etc they are not easily obtainable nor are they widely used.
Gently toss the tied off pantyhose onto the edge of your roof to begin melting the snow.
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.
While safely on the ground toss a roofmelt tablet onto the roof.
Use roof melt tablets to reduce snow and ice buildup that occurs on your roof typically on the eaves and in gutters.
While safely on the ground toss a roofmelt tablet onto the roof.
But are they doing more harm than good.
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.
If you must use salt at least choose the right type of salt.
There are five commonly used types of ice melt a k a.
The big five include.
Here are four reasons salt pucks are bad for your roof.
Most salt pucks use calcium chloride to melt ice which can cause numerous issues down the line.
Purchase sidewalk salt also called calcium chloride from your local hardware or big box store.
Comes in a 14 lb pail and is an estimated 60 pucks per container.
That path would then presumably be used as an escape route for water that may tend to get trapped behind the ice dam.
Calcium chloride is the best salt to use on ice dams according to handyman glenn haege.
It will damage the roofing siding gutters and downspouts and the poisonous runoff will kill foundation plants.
Sodium chloride or rock salt is highly corrosive.
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.
Salt socks work on the principle that the ice melting compound is contained in a linear form which when laid across an ice dam will melt a channel through the ice.
A do not put salt on your roof.
Although there are others e g.