How To Add Venting In The Attic

These fans circulate the air within the.

How to add venting in the attic.

For more information on ventilation and moisture control read this article i wrote on proper attic ventilation it s my position that you should have a proper ventilation system in your attic and that you should always take the time to air seal the floor of the attic. Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed. 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. Adding attic vents is a simple matter of cutting holes and installing vents.

The most common way to add ventilation to an attic is by installing air intakes in the soffits and putting an outlet at the gable of the house. Photos 1 6 show how it s done. This creates a natural air flow by drawing in the air from outside pushing it up and out through the vent at the top of the house. The answer is rafter venting.

Attic fans serve a different function removing the hot and moist air from the attic and leaving the space below the attic floor alone. These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave. The installation of a turbine vent is nearly identical to a static vent. Do not use mechanical means electric attic fans.

A turbine vent draws air from inside the attic as wind turns the turbines. How to install turbine vents. But before you cut any holes plan the locations of the attic vents. If your home is fitted solely with small gable end vents or a ventilator high in the roof you might want to consider adding soffit vents to increase airflow.

Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof. Anyone involved with residential roofing should become familiar with the purpose of attic ventilation and understand how to achieve an effective ventilation system while meeting building code requirements. Attic venting serves an important purpose and is key to a well performing roof system. Should i add soffit vents.

Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. In the winter allowing a natural flow of outdoor air to ventilate the attic helps keep. Even without soffit venting it is important to provide an air gap at the soffit level to help keep the roof deck dry.