Roof vents help keep your home cool prevent moisture problems and generally encourage healthy airflow.
Whirlybird vs roof vents.
It provides ventilation which prevents the accumulation of condensation and moisture which can severely damage your roof and shingles.
They make noise too.
How much air must be moved.
Roof vents vs whirly birds.
A largely arbitrary rule of thumb that s been adopted into most building codes calls for 1 sq.
While roof blanket or sisalation is one way to reflect heat the downside is it seals air and moisture in your roof space which can encourage growth of fungus.
The best way to combat this is a combination of insulation and ventilation.
Find roof turbine vents at lowe s today.
Your roof just doesn t work well without them.
A solar roof exhaust vent does the same job as a whirlybird but better.
In summer air movement helps rid the attic space of.
It is a con to make people think the spinning action is like running a fan and mechanically drawing hot air out.
The whirly bird or turbine vents are worse than useless.
Turbine vent two of the most popular styles.
Lomanco wind turbines are available in three sizes 8 12 and 14.
One of the most popular options for roof ventilation is the commonly seen whirlybird.
All things being equal wind driven turbine vents also known as a whirlybird roof vent do move more air than flat vents but only when the wind blows.
The 14 big whirly turbine moves 37 more air than the 12.
Of vented area for every 300 sq.
Full length ridge vent in combination with soffit vents is best.
Air movement in the attic helps prevent moisture buildup on rafters and on the bottom of roofing materials.
So let s take a look at the differences between the ridge vent vs.