When it forms the water then backs up behind the ice dam and creates a pool of water.
Snow filled gutters.
Examples photos of ice filled gutters.
Technically all the ice buildup means is that very cold gutters are subjected to way too much water from melting snow or the gutters are clogged with debris or both.
An ice dam is a wall of ice that forms at the edge of the roof usually at the gutters or soffit.
So where is all that water going to go.
Trying to break it up is dangerous and you can damage the gutters.
This pool of water can leak into your home and cause damage to walls ceilings insulation and other areas.
One way to prevent ice dams and buildup is to clean out your gutters prior to winter after all the leaves have fallen from surrounding trees.
Then lay the filled pantyhose horizontally on the ice in your gutter.
In practice frozen gutters usually mean something is causing a lot of snow to melt.
What does ice buildup on gutters mean.
You should use a calcium chloride deicer rather than salt.
Clogged gutters will only accelerate the process of ice damming and over flow when the gutters fill up with ice and snow.
To keep the snow on your roof from melting make sure your roof is well insulated.
Sorry to say but possibly into your attic.
In fact once your gutters are frozen solid your best bet may be to wait it out.
The upcoming rain is going to fall on our homes and flow into gutters that are already filled with ice and snow.