The ice traps meltwater which can seep back up under shingles and drip through the roof into your house causing wet and stained ceilings and walls and peeling paint and rot.
Ice dam and water running down siding of house.
In addition through the siding and behind the step flashing where a lower roof joins the vertical side of the main house.
Because what happens is if you live in certain climates and you get a heavy snow it starts to melt then at the upper part of your roof which is usually warmer because a lot of escaping heat from the house gets there.
Now for those that are listening and aren t familiar with ice dams it s probably a good thing that you re not.
Would you leave your window open all winter.
Water should not be allowed to run down the siding.
Or could moisture be running down the underside of the roof and collecting in the wall or behind the siding.
Do you see water stains or moisture inside your attic of home.
That means you have an ice dam said palumbo.
Since water runs downward unless it s being driven by strong winds the standard method for creating water resistant vinyl cladding is to start at the bottom and work up.
Therefore if you have an ice dam you ll typically see the overflow of water running down the sides of your house.
Was there any roof work done that could have caused a leak.
The blocked water on the roof that doesn t overflow down the sides of the house can cause the same damage to the roof attic and interior.
Because everything is frozen gaps and vents or spaces in the.
The shingles should be hanging about 1 4 inch to 1 2 inch beyond the drip edge so this may be your problem.
Get a closer view of the roof.
The presence of water stains or moisture along the ceiling of your attic or along the ceiling of exterior walls can indicate that you have an ice dam and that water has been able to penetrate your home through the roof.
And an ice dam would cause a situation where icicles form on siding.
It can get behind the siding and cause serious problems within the walls as well as leakage in the basement or crawl space.
Because the ice dam plugs up your gutters often you ll see water running down the side of the house.
Water dripping down your siding or dripping from the underside of your roof where it overhangs the house is a sign that ice could form and lead to an ice dam.
Water running down the roof refreezes when it reaches the colder roof edge forming a mound of ice.
Wind driven rain may enter through the chimney brick mortar or under shingles.
Ice dams which prevent water run off force standing water behind the ice dam to backup under your roof shingles.
Stop ice dams with a cold roof.
It does nothing said palumbo because the icicle is simply a symptom of the ice dam.
If so was there an ice dam problem or a leak that may have dumped water into the wall.
Both of these senerios allow the water to get to the back of the fascia from there to the soffit from there down behind the siding.