Roof turbines remove attic moisture and reduce the risk of costly roof damage.
Attic turbine in winter.
Roof vents allow air to circulate through your attic and exit your home.
By robert korpella air movement in the attic helps prevent moisture buildup on rafters and on the bottom of roofing materials.
A drafty house is not but a drafty attic is good.
Seal nail penetrations and around electrical hvac and chimney penetrations.
Without proper ventilation the extra moisture in the heated air will cause wood rot mildew mold and exterior problems like ice dams.
Blocking the vents can even harm your home by trapping moisture inside the attic.
Covering roof turbines in the winter can cause frost to form inside your attic.
In summer air movement helps rid the attic space of super heated air.
Ridge vents and turbines.
During winter attic ventilation is needed to prevent ice dams from forming and during the hot summer months ventilation helps to remove hot air which reduces mold growth and protects the shingles from excessive heat.
It is also a myth that turbine vents remove warm air from attic spaces in winter months.
During winter months warm air rises into your attic.
Seal penetrations in the attic to stop free air flow.
So those vents actually help keep that insulation dry in the winter time.
If the air temperature in your attic space is very warm while it is cold outdoors i maintain that you might have inadequate insulation and or you are up in your attic on a bright sunny day where the radiant energy of the sun is heating the attic space.
How doers get more done.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
A drafty attic is a very good thing.
Somebody told me well you ll save money in the winter if you cover your turbines up tom.
In the winter the vents will cause the attic to become cold but this should not damage your home or increase the energy use of your home so covering the roof vents is not necessary.
Well now you know.
In addition to the attic ventilation solutions above there are more steps you can take to prevent moisture issues in your attic and help maintain proper attic ventilation throughout the winter.
Though covering the turbine in winter may seem like a good idea to conserve heat and save on energy costs the reduction in air flow may cause other problems.
Roof turbines are designed to provide ventilation to a home s attic.