A roof ventilation system works by providing a continual flow of air through the attic space helping remove overheated air and moisture from the attic and roof system and reduce the impact of changing temperatures and moisture conditions both inside and outside the home.
Roof ventilator working principle.
No longer is your roof a heat sink it is now a heat extractor.
Even the slightest breeze has the twista ventilator spinning quickly.
Shingle over designs allow optimum blending with other roof materials.
O hagin static vents are used for both intake and exhaust ventilation.
Brings uncontrolled hot air inside from outside.
With twista roof ventilators installed hot air is literally sucked up and out of the roof space before it even has a chance to accumulate.
Intake vents located at the lowest part of the roof under the eaves allow cool.
No other exhaust vent provides this type of airflow pattern.
Roof ventiliation explained for australian homeowners by john breeze of northern rivers insulation.
Depending on the type of roof structure these type of vents work very well with vaulted ceilings and are an excellent choice for intake.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.