Passive Roof Vent

Achieving calculated continuous and unimpeded airflow through the roof cavity is relatively straight forward.

Passive roof vent.

The prices of roof vents also go up when manufacturers add extra features to the vents. You don t want that kind of hot air in your house especially not in the winter. Roof vent cover in black 16 model mg30x30bg 74 86. That hot air can condense and cause mold growth and rotting.

Passive roof vents encourage natural air flow and work without the aid of motorized fans. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic. I mentioned five excellent roof vents in this article but my favorite has to be the lippert components 389381 white roof vent because of the patented 360 siphon design it has adopted. The benefits of passive roof vents.

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. In order to facilitate this exchange of warm and cool air the general rule. Ice dams are a whole other story. It can also get trapped in the attic and cause quick melting of the snow which then runs down the roof and refreezes causing ice dams.

Master flow 30 in. Active ventilation 14 in. Types of roofing attic ventilations.