Grab a flashlight and inspect your attic during the winter.
Finishing attic with soffit vents.
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.
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.
To effectively ventilate your roof create a 1 in.
Ft divided by 150 equals 10 sq.
In 1 5 1 16.
Length x width of attic in feet 150 total sq.
Its top edge is tucked up under the shingles and its outside face is where the gutter is mounted.
This pressure creates a vacuum drawing in the cold air to replace the hot air that has been lost through the gable.
Air chutes when combined with soffit vents and a ridge vent will help prevent problems with condensation and ice dams.
Vents come in various styles.
Roofing attic ventilation.
To install the air chutes staple them directly to the roof decking.
A 50 x 30 attic would have a total area of 1 500 sq.
Soffit installation is fairly easy even for a first timer.
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.
Beige bisque 1 black 1 brown tan 4 white 8 net free area sq.
Shop 12 3 results for ventilation.
Most effective ventilation uses a ridge and soffit continuous ventilation system but even these designs can vary from roof to roof.
Airspace from the soffit to the ridge by installing a continuous air chute in each rafter bay.
Calculate the total vent area needed.
Finish with a vent that s on the top of.
If you see dampness or frost you need better roof ventilation and some attic vents.
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.
Cooler air is heavier and denser.
Ventilation not only prevents ice dams but helps reduce heat build up in the summer.
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.
Venting both the attic with eave vents and the soffit with vent systems increases air circulation and prevents this problem.
Master flow 4 in.
Air flows in through the soffit vents and out through the roof vents.
Resin circular mini wall louver soffit vent in white 4 pack model rlsc4 view the master flow intake.
As a homeowner it is important that you review the soffit areas of the home for soffit vents.
Of total vent space needed.