When a warm sunny day arrives after a long cold stretch and it seems like you have a roof leak when there isn t a cloud in the sky it s probably attic icing otherwise known as ice dams or ice damming and the surprising thing is that it s very unlikely that the roof covering itself is the problem.
Noticed frost on my roof mean.
Without delay this air movement brings in drier outdoor air into the attic.
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This leaves a border of frost on the outside edges of the living area.
If frost is building up in the freezer check first for a break in the door gasket that could be letting in warm moist air.
If you ve noticed frost on your roof it may be a sign of something gone wrong.
Now when it s cold you see a consistent amount of frost across my roof and all the ice dams are history.
When the moisture gets into the attic it condenses on the roof.
After our recent record breaking snow here in the mid atlantic our house which i have been working on for over 3 decades had no icicles and lots of roof snow pack while my next door neighbor had melted patches in the roof snow pack and icicles almost instantly.
The overhang porch and garage keep ice on them longer.
Frost accumulates in attics when moisture laden air from the house gets up there when it s cold.
A point often overlooked is old houses didn t have this frost on nails problem.
What does a lack of frost on my roof mean.
When the roofers were installing the new roof they removed the old roof and my insulation was exposed just after the sheet rock from the inside.
I ve since just sprayed foam into my attic to fix it.
Is the frost on the shingles and indication of a temperature change in the attic vs.
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That s about it pretty simple.
Why is there ice in my roof.
The dry air evaporates the frost.
Homes that let heat escape more rapidly than others will keep ice on the overhangs but not over the living area.
Old houses didn t have frost.
If my attic is venting well would this mean i do not get frost on the shingles.
If all of your neighbor s roofs have a healthy sheen of frost on top of them but yours does not it may not be the best sign.
It could mean the electronic control board has failed.
If the gasket seems sound a malfunction somewhere in the automatic defrost system could be the culprit.
I look next door at his roof and i can see a very clear line where the frost ends on his roof.
A well insulated attic floor will keep the heat in the home better making the roof thaw evenly.
I had major ice dam problem when i bought the house.
