Are icicles signs of poor insulation.
Icicles on roof poor insulation.
Other factors like attic and eaves ventilation slop of the roof house design and type of gutters can also accelerate icicle formation even on a.
We examine the facts and tell you how to mitigate the problem.
As beautiful as some icicles can look most homeowners don t want them hanging from their roof.
However ice dams can form without the presence of any large icicles.
My home had wood shavings and signs of obvious squirrel nesting.
You may see fluffy white grey or pink insulation or batts up there or nothing at all.
Insulation should be in a uniform consistent layer across your full attic deck to a depth of 16 18.
So icicles hanging from a roof s edge may be a sign of an ice dam.
Icicles are great to look at but are they a sign of poor insulation.
While attic and roof insulation can drastically reduce their formation icicles don t necessarily mean your attic isn t adequately insulated.
Poor insulation and ventilation leads to more and more snow melting which is when ice dams can form.
When the meltwater reaches the colder eaves the part of the roof that extends beyond the walls the water refreezes and creates a buildup of ice along the edge of your roofline says this old house.
Icicles on gutters gutters themselves don t cause icicles or ice dams but when you have insulation problems gutters become ideal troughs in which water can collect and freeze.