Roof vents enhance the overall comfort of the house by providing escape hatches for hot stale moist air which can reach temperatures of 150 degrees in summer.
Large passive roof vents.
Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.
Passive roof vents encourage natural air flow and work without the aid of motorized fans.
Types of roofing attic ventilations.
Martin kolt president of avp next to an installation in teaneck nj pvc roof.
You don t want that kind of hot air in your house especially not in the winter.
In winter you need to dump that hot air before it condenses which can lead to rot and mold.
Active ventilation 14 in.
The benefits of passive roof vents.
Black powder coated aluminum roof vent no moving parts wind turbine 92 model av 14 c2 bl 60 37.
Roof vent cover in black 16 model mg30x30bg 74 86.
Below are pictures of common static roof vents also called passive roof vents and gravity roof vents.
Master flow 30 in.
Here is an article of a nearby installation of over 100 of our roof vents for a large commercial complex.
In order to facilitate this exchange of warm and cool air the general rule.
Achieving calculated continuous and unimpeded airflow through the roof cavity is relatively straight forward.