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.

How to add venting in the attic. At first it may seem odd to add insulation for warmth and then purposely allow cold air to enter the attic through vents but this combination is the key to a durable and energy efficient home. In the winter allowing a natural flow of outdoor air to ventilate the attic helps keep. Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. About attic ventilation natural attic ventilation.

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. Do not use mechanical means electric attic fans. Photos 1 6 show how it s done. 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.

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. 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. 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. The installation of a turbine vent is nearly identical to a static vent.

The answer is rafter venting. Even without soffit venting it is important to provide an air gap at the soffit level to help keep the roof deck dry. 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. Should i add soffit vents.

This is most effective in areas where winds average at least five miles per hour or otherwise will not offer the most effective reliable source of venting. Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed. These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave. A turbine vent draws air from inside the attic as wind turns the turbines.

Adding attic vents is a simple matter of cutting holes and installing vents. These fans circulate the air within the. But before you cut any holes plan the locations of the attic vents.