That s a low performing method that might clear the gutter but not the downspout miller says.
Salt to melt ice in gutters.
Hold off on the ice melting home remedies professionals don t agree on whether you can rely on home remedies such as pouring salt on the ice or filling a stocking with salt and placing it on top of the downspout so it slowly melts the ice.
Put de icer pellets or salt in a nylon sock.
Tie the open end and set the sock on top of the ice.
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.
This can corrode the gutter and cause harm to vegetation when the ice melts and sprinkle it inside the gutters.
The simplest one is to take a few handfuls of calcium chloride not rock salt.
Try one of these or a combination of the following options.
The calcium chloride will eventually melt through the snow and ice and create a channel for water to flow down into the gutters or off the roof.
There are several ways to go about de icing gutters.
Check the pantyhose periodically as it might shift as the ice melts.
It melts ice faster than sodium chloride does works at lower temperatures than sodium chloride and also melts larger volumes of ice.
Calcium chloride is the best salt to use on ice dams according to handyman glenn haege.
Salt will eventually melt and can damage any grass or plants below your gutters.
The calcium chloride will eventually melt through the snow and ice and create a channel for water to flow down into the gutters or off the roof.
Putting some on the edge of the shingles can also inhibit ice dam formation.
Salt is essentially toxic to plants.
Next up a list of long term fixes that will help you get rid of your ice dams for good.
When a plant absorbs water that has too much salt in it the osmosis process is disrupted and the plant can become dehydrated.
Tie a long string to the filled pantyhose so you can easily retrieve them later.
Permanent fixes for ice dams illustration by yuko shimizu.
Do not spread rock salt or calcium chloride across your entire roof as these chemicals are corrosive and can reduce the life of your roof flashing along with metal gutters and downspouts.
Then lay the filled pantyhose horizontally on the ice in your gutter.
As water and salt mix and run through your gutters the solution soaks into your landscaping and depending on your gutter system throughout your yard.