Insulation should be in a uniform consistent layer across your full attic deck to a depth of 16 18.
Icicles on roof poor insulation.
They can be used to show.
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.
However ice dams can form without the presence of any large icicles.
Are icicles signs of poor insulation.
Big icicles on your roof can be a symptom of a bigger problem.
My home had wood shavings and signs of obvious squirrel nesting.
While attic and roof insulation can drastically reduce their formation icicles don t necessarily mean your attic isn t adequately insulated.
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.
You may see fluffy white grey or pink insulation or batts up there or nothing at all.
Icicles mean you re losing some heat and it also could mean you have poor ventilation in your attic said larsen and that s where his infrared camera comes into play.
We examine the facts and tell you how to mitigate the problem.
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.
So icicles hanging from a roof s edge may be a sign of an ice dam.