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.
Salt to melt ice in gutters.
Calcium chloride is the best salt to use on ice dams according to handyman glenn haege.
Put de icer pellets or salt in a nylon sock.
When a plant absorbs water that has too much salt in it the osmosis process is disrupted and the plant can become dehydrated.
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.
Tie the open end and set the sock on top of the ice.
It is not as likely to stain or cause corrosion as sodium chloride but it can damage wooden gutters.
There are several ways to go about de icing gutters.
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.
Then lay the filled pantyhose horizontally on the ice in your gutter.
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.
The simplest one is to take a few handfuls of calcium chloride not rock salt.
Check the pantyhose periodically as it might shift as the ice melts.
Tie a long string to the filled pantyhose so you can easily retrieve them later.
Salt will eventually melt and can damage any grass or plants below your gutters.
That s a low performing method that might clear the gutter but not the downspout miller says.
Permanent fixes for ice dams illustration by yuko shimizu.
Try one of these or a combination of the following options.
Putting some on the edge of the shingles can also inhibit ice dam formation.
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.
That path would then presumably be used as an escape route for water that may tend to get trapped behind the ice dam.
In large concentrations these chemicals will also damage nearby shrubs and grass.
Salt is essentially toxic to plants.
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.