How Do You Vent A Roof Without Soffit Vents

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

How do you vent a roof without soffit vents.

Remove the first few rows of shingles to expose the roof deck. If you live in an older home your roof might not be constructed for roof ridge or soffit vents. The two most common options are to. This article is part of the series roof ventilation specifications and also attic condensation cause cure.

In most cases all you have to do is remove about one inch off the top of the fascia the part that covers the end of the rafters on the roof install the drip edge finish with a vent that s on the top of the roof and you re good to go. It describes proper roof ventilation placement amounts and other details. Focus on the other ventilation you have in the attic. Soffit vents and eaves are placed at the lower extremes of the roof and provide the intake ventilation.

Roof ridge vents are placed along the ridge line of the roof. Measure up from the edge of the roof far enough to allow for airflow. Ridge vents are used for exhaust or outflow of moisture heat and stale air. A compact roof can be accomplished by adding closed cell foam insulation panels and new deck material to the top of the roof but again only if aesthetics and truss design permit.

The venting drip edge seems to be the easiest and most common way to go. Weird attic layouts may be a part of it. They call this a venting drip edge. Use eye brow vents that are on the top of the sloping roof surface near the soffit eave area.

Construct a hidden roof intake vent at the top of the building wall by removing the wall top trim or top siding board cutting away any building sheathing or blocking at the wall top nailing 1 spacer blocks 16 on center nailing a new spaced out wall top trim board along the roof eaves and screening the opening against insects. 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. That said one nonvented option is creating a compact roof assembly where the troublesome cavity simply isn t part of the construction. To install under shingle vents you must remove the first few rows of shingles and cut a 1 inch channel into the roof deck about 6 inches from the edge taking care not to cut into the roof joists.