How To Vent A Roof Without Soffit
This creates a natural suction phenomenon where the ridge vent is sucking air out of the soffit vents creating a natural ventilation cycle.
How to vent a roof without soffit. Install special roof intake venting products that work at the lower edge of the roof decking underneath the first course of shingles. However if the home has no soffit it is quite a different matter. Even without soffit venting it is important to provide an air gap at the soffit level to help keep the roof deck dry. When hot air rises up through the soffit venting it then keeps rising all the way up to the ridge vent.
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. The main idea of the ridge vent is to act together with soffit venting to properly ventilate the attic. With a soffit venting is not much of a challenge. Drip edge vents hang out several inches past the edges of the.
Warming trends in january and again in april cause the roof strate to warm and evidently i had condensation ptoblrms no soffit vents but do have small gable end vents. A ridge vent without a soffit vent doesn t work and here s why. Rose a research architect at the building research council at the university of illinois replies. Two simple alternatives to soffit vents can be installed with little more than a circular saw and a hammer.
By virtue of their design and location on the roof ridge vents are predominantly exhaust devices. Venting solutions for roofs with no overhang or soffit. Thankfully there are some ways around this dilemma.