Balanced Attic Ventilation

It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters.

Balanced attic ventilation.

Balanced attic ventilation vs. The balanced approach helps to optimize air exchange between the attic and the outdoors and allows for effective management of temperature and moisture inside the attic. Best ventilation is open soffit venting to a open vented ridge vent. This article series describes various solutions for un vented cathedral ceilings and similar under roof spaces.

To lower attic temperatures and to remove excess moisture. Always have a balanced ventilation system. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space. Air vent case study.

Unbalanced attic ventilation on both the before unbalanced attic ventilation and the after balanced attic ventilation test days thermo graphic photo readings were taken during 12 hour periods on days with similar maximum outdoor temperatures and solar insolation the radiant heat energy from the sun that heats the roof deck. Problems with un balanced roof ventilation intake versus outlet. This article explains why an incorrect ratio or balance of intake venting and outlet venting in a roof ventilation system can cause more problems than any possible benefit of the roof existing ventilation system. It can do both.

The way to avoid having a house that sucks is to do balanced ventilation. Figure 1 a balanced system. Insulation at least r 38 or more is there for heating and. When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic.

During warmer months ventilation helps to keep attics cool thus a cooler living space. Lowering the temperature in the attic can help reduce air conditioning energy costs and roof deck temperature optimize the service life of a roof covering and minimize ice damming. Ridge vent must me installed per the manufactures instructions. You exhaust stale air from the house and you supply an equal amount of air directly rather than relying on the negative pressure of the house to.

In cold weather ventilation helps remove moist air from the attic that has migrated from the occupied living space reducing the risk of condensation in the attic. Attic ventilation serves two main functions. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation. Figure courtesy of the.

And if your house is sucking from an attached garage a moldy crawl space or dirty attic you could be making things worse.