Natural Attic Venting Strategies

A vented roof uses open spaces in the soffit and ridge to channel airflow beneath the roof sheathing via baffles located between the rafters.

Natural attic venting strategies.

By martin holladay issue 249 feb mar 2015. In these climates however natural ventilation of your attic often required by building codes will help to reduce your use of air conditioning and attic fans may also help keep cooling costs down. Taking advantage of this natural process referred to as passive. For example if the weather is too cold too rainy or too hot the mixed mode ventilation system adjusts the building openings appropriately and communicates with the mechanical ventilation system to optimize the indoor environment.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. To prevent this follow the air sealing and insulation strategies in this guide and make sure the attic is well ventilated using passive vents and natural air flow. Do not use mechanical means electric attic fans. About attic ventilation natural attic ventilation.

Laying fiberglass rolls is easiest for a diy job. Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed. Ventilation is not an effective cooling strategy in hot humid climates where temperature swings between day and night are small. As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in.

Attic ventilation design strategies for manufactured homes. A literature search and review was conducted to investigate attic ventilation design strategies for manufactured homes. The findings of the literature review were debated among and analyzed by a steering committee of industry representatives. Anatomy of a vented roof.