Finishing Attic With Soffit Vents

If you see dampness or frost you need better roof ventilation and some attic vents.

Finishing attic with soffit vents. To effectively ventilate your roof create a 1 in. Calculate the total vent area needed. Multiply the length of the attic times the width in feet to find the attic area then divide by 150 to find the total square feet of vent space needed. Ventilation not only prevents ice dams but helps reduce heat build up in the summer.

Fascia and soffits finish the edges of roofs by covering the ends of the roof rafters or roof trusses where they overhang the sides of the house the fascia is the wide board that s installed on edge and runs horizontally along the edge of the roof. Soffit installation is fairly easy even for a first timer. To install the air chutes staple them directly to the roof decking. Most effective ventilation uses a ridge and soffit continuous ventilation system but even these designs can vary from roof to roof.

An important part of installing any system of ventilation into your roof system is to make sure that there is a point of entry and a point of exit for airflow. A 50 x 30 attic would have a total area of 1 500 sq. In 1 5 1 16. For the best results place roof ventilation near the roof s peak and soffit vents in the eaves.

A variety of materials are used for soffits. Resin circular mini wall louver soffit vent in white 4 pack model rlsc4 view the master flow intake. Roofing attic ventilation. Vents come in various styles.

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. If you don t know how your roof vents work or if you re unsure about your attic ventilation in general you should talk to a roof inspector about your current system and any inherent weaknesses that may be at. This pressure creates a vacuum drawing in the cold air to replace the hot air that has been lost through the gable. Shop 12 3 results for ventilation.

Ft divided by 150 equals 10 sq. Airspace from the soffit to the ridge by installing a continuous air chute in each rafter bay. An attic s intake vents are most commonly installed directly in the soffit either as individual vents spaced every few feet or as one continuous perforated soffit running the entire length of. Air chutes when combined with soffit vents and a ridge vent will help prevent problems with condensation and ice dams.

Master flow 4 in. Cooler air is heavier and denser. As a homeowner it is important that you review the soffit areas of the home for soffit vents. Beige bisque 1 black 1 brown tan 4 white 8 net free area sq.

Finish with a vent that s on the top of. Venting both the attic with eave vents and the soffit with vent systems increases air circulation and prevents this problem. Of total vent space needed. Length x width of attic in feet 150 total sq.