Attic Ceiling Vent

Vented attic roof designs have the advantage of a long proven historical track record.

Attic ceiling vent.

The increase in the use of complex roof shapes and cathedral ceilings has resulted in problems with vented roofs. However they work best with airtight ceiling attic interfaces and where ductwork and air handlers are not located within attic spaces. This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work. The result is a cooler attic space with plenty of air exchange.

That said air resistance and interference such as vent grates reduces the area of true ventilation. The rvk1a steel roof cap kit is an the rvk1a steel roof cap kit is an easy to install vent for ventilation fans bath rec room home gym etc. Improper ventilation and insulation of home attic space can produce high humidity levels and trap. Or it may have gable vents which are louvered openings at the top of gables.

Your roof may have a ridge vent which is a low profile continuous roof air vent running along the peak of the roof. Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation. It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience.