Passive Venting System Flat Roof

Flat roof vents have no moving parts to break or squeak but don t vent as much air as wind driven vents.

Passive venting system flat roof. Passive roof vents allow air flow throughout the house without the use of fans. Wind driven roof vents will pull more air from the attic but only when the wind is blowing. Recommended airflows of either 10 000mm per linear metre or 25 000mm are determined by the pitch or the design of the roof and can be easily achieved using recommended product combinations. Installing a roof ventilation system can help you in the following ways.

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. They help keep the home more comfortable by providing areas where the heated moist and stale air can exit your home. The benefits of passive roof vents. As a result the whole roof system will be prone to damage.

Whilst it is possible to retrofit passive ventilation solutions to existing buildings it is highly recommended to incorporate passive ventilation during the design phase of any new building project. Your roof will become much more durable once it is vented. The key is to balance incoming air with outgoing and perform an annual maintenance checkup. Ice damming can often make the roofing materials weak and ineffective.

Could you imagine that the temperature can reach up to 150 degrees in the summer. Proper ventilation will prevent this from happening. Passive roof vents encourage natural air flow and work without the aid of motorized fans.