How To Ventilate Attic Without Soffit Vents

Grab a flashlight and inspect your attic during the winter.

How to ventilate attic without soffit vents. With a soffit venting is not much of a challenge. Cooler air is heavier and denser. Even without soffit venting it is important to provide an air gap at the soffit level to help keep the roof deck dry. Vents come in various styles.

For proper ventilation it isn t enough for air to simply get into your attic. This creates a natural suction phenomenon where the ridge vent is sucking air out of the soffit vents creating a natural ventilation cycle. They re most effective when used in conjunction with a continuous ridge vent. Roof eave venting on roofs with no overhang or soffit how to correct improper or inadequate attic or under roof ventilation in buildings detecting and correcting attic condensation and preventing ice dam leaks in buildings how to correct improper or inadequate attic or under roof ventilation in buildings.

These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave. The important thing to remember is the air must flow through the attic to the roof vents somewhere near the ridge of the roof. If you see dampness or frost you need better roof ventilation and some attic vents. This pressure creates a vacuum drawing in the cold air to replace the hot air that has been lost through the gable.

It s pulled into the attic from the soffit where it warms up and becomes lighter and less dense and then escapes through the vent in the gable. For this reason the square footage of vent space at the base. 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. However if the home has no soffit it is quite a different matter.

The main idea of the ridge vent is to act together with soffit venting to properly ventilate the attic. Air flows in through the soffit vents and out through the roof vents. The function of soffit vents. It must also circulate.

Authoritative expert building diagnostic and repair advice toxic black mold and. 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. Soffit vents come in several sizes and styles including small round discs and rectangular grilles. These specialty vents do not affect the.