In a house with a cold roof icicles are less than a few inches long and are harmless.
Frozen gutters water in house.
To prevent water in your house your roof should be installed with a sheet of rubber under it.
Using hot water or steam to thaw icy gutters.
Gutters are an addition to your home and while securely fastened the strain of a full trough of water can cause it to strain at its fastening and pull away from the house damaging both.
3 if your downspout is already frozen then you ll need to pour a couple gallons of hot water into the downspout to melt the ice so you can get that cable down it.
Strategies to safely thaw a frozen gutter don t get out your hammers ice picks or axes.
When gutters fill with water and freeze they cause the ice to build up and roll over the edge.
Peeling paint warped floors stained and sagging ceilings.
So they try to chip out the ice themselves.
1 pour hot water full hot from the tap in the gutter and to get the downspout started if frozen solid at any point fill top with hot water to full then pour hot water on one side of outside of downspout to melt a small channel inside the pipe for the water from the top to start running down usually will only take 1 2 gallons of hot water dribbled down the outside to thaw enough.
Over time the ice may back up into your gutters themselves thereby creating extra weight on your entire guttering system.
The second worst thing that can happen is that the ice in the backed up gutter gets heavy enough to tear the gutter off the house.
Chipping away at ice is dangerous destructive and futile.
However consistently frozen or frozen solid downspouts may require immediate attention especially if weather conditions will be less than ideal for the foreseeable future.
Sometimes gutters do freeze up completely and people worry they are going to pull away from the house or cause a huge ice dam.
This way if water collects on the edge of the roof it won t find its way through the waterproofing.
Dams can tear off gutters loosen shingles and cause water to back up and pour into your house.
If your gutters fill up the water has to go somewhere.
Not to mention soggy insulation in the attic which loses r value and becomes a magnet for mold and mildew.
Water can seep under the roof and damage the interior of your home.
A third method is to use hot water to melt the ice in and on your gutters.
With all the snow we ve had the gutters on my house have frozen solid so much that there is now a dam of ice going up over the first row of tiles.
But unless you can somehow run a hose from a hot water source you ll be forced to use pitchers pots or similar containers to repeatedly dump the water where it needs to go which can be cumbersome and time consuming.
4 if your gutters are already frozen solid and the dam is backed up to the house roof that is seriously going to be tougher.
When that happens the results aren t pretty.