Radiant barrier or foil insulation is installed in the ceiling to help the roof reflect rather than absorb heat from the sun.
Attic cold in winter.
How attic insulation works in the winter in the summer and in regions that stay warm for the majority of the year attic insulation works like this.
While heat migrates in the summer because your attic is acting as a giant pressure cooker in the winter the attic space is colder allowing more room for the heat to rise and bring all that warm cozy moisture with it.
Believe it or not the cold temperatures outside combined with the warm air down below mean that there can be an excessive amount of moisture building up in your attic during the cold winter months.
Inadequate insulation enables heat to rise into the attic causing your.
As we ve learned the biggest problem with not having proper attic ventilation is moisture.
During cold winter months the attic vent fan is not necessary.
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Open vents also ensure that cold air can enter into the attic during winter.
If the moisture becomes trapped there it can cause mold problems to develop.
Even if your attic is too cold in the winter it s likely that the temperature inside your attic will still be higher than the temperature outside during summer months.
The attic your attic is a cold zone that means that it should be the same temperature as the outside air.
Roof shingles absorb a great deal of the sun s heat especially if they re dark in color.
Heat inside the attic coupled with cold outside causes moisture to build up leading to condensation damage mold or mildew.
Open vents allow the moisture to leave the attic and travel outside.
Proper attic ventilation in winter prevents mold and mildew growth safeguarding your family against these harmful contaminants.
Your attic should ideally be the same temperature as the outside air at least at the roof deck.
If you were to shut your vents trying to keep the heat in you could also be trapping that moisture.
By letting heat escape freely from your home into the attic and having cool air from the.
In the winter moisture in your home is likely to rise into the attic.