How To Vent Low Slope Attic Without Soffits

With old homes it can be very difficult to properly ventilate the attic for a variety of reasons.

How to vent low slope attic without soffits. You mention exhaust vents shouldn t exceed intake vents in the roof for proper circulation. Another plastic venting product fits under. Determine the shape of the hole needed for the vent. Install special roof intake venting products that work at the lower edge of the roof decking underneath the first course of shingles.

Remove the shingles in the area where the vent is to be installed. But if you don t have eaves or if you have shallow soffits like me ventilation can be a challenge. Read this article to learn why. The venting drip edge seems to be the easiest and most common way to go.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. There are methods for doing rof cavity insulation with no ventilation. Smart vent a special roof eaves vent product that provides a 3 4 opening about 6 above the top of the roof drip edge. They call this a venting drip edge.

The other strategy is cellulose insulation which is dense blocks airflow and contains salts that inhibit mold growth. However with only two 1 ft x 2 ft gable roof vents i ll need an additional 7 sq ft of exhaust vents. And compact roof assemblies are clearly the only acceptable base for low slope roof assemblies. A ridge vent without a soffit vent just doesn t work.

Venting solutions for roofs with no overhang or soffit. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. If i had an older home without soffits i would strongly consider just completely air sealing the attic and adding foam insulation totally removing the need for ventilation. Check with the manufacturer of the roof vent to see if there is a need for more than one vent.

I need additional exhaust ventilation in my roof with the planned installation of a whole house fan in the attic of my home located in sf bay area. Draw it on the roof deck. In my opinion many of the innovative.