How To Ventilate Attic Soffits

Ventilation can be accomplished using various products and techniques.

How to ventilate attic soffits.

When hot air rises up through the soffit venting it then keeps rising all the way up to the ridge vent. Next bore a 3 4 or 1 in dia. Drip edge vents hang out several inches past the edges of the roof allowing you to trim. Space soffit vents evenly around the bottom of the low sides of your roof.

This is called passive ventilation. How to install soffit vents make two parallel lines. If you don t see any attic vents on the roof or in the eaves you need to add some. A sign of roof leaks from ice damming or other causes.

Divide the vent area by the opening in each vent to come up with the number of vents needed. The most common way to add ventilation to an attic is by installing air intakes in the soffits and putting an outlet at the gable of the house. Hole through the soffit right between the lines and measure the. Begin by making sure your existing system works photos 1 and 3 plugging major air leaks into the attic photo 2 and correcting any other of the common causes of poor attic venting.

If you have either ice dams or moisture buildup improve your attic ventilation. The main idea of the ridge vent is to act together with soffit venting to properly ventilate the attic. Touch your ceiling on a warm sunny day. Your roof vents may not look.

Connect the two cuts. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Before we explore how to ventilate an attic space it is prudent to understand how much ventilation is needed.

A hot ceiling tells you that the attic is acting like a solar oven raising your cooling bills and. For example a vent with a 6 x12 opening would equal 0 5 sq. Look at your eaves and roof. Most building codes require a ratio of 1 150 ventilation space to attic floor space.

Two simple alternatives to soffit vents can be installed with little more than a circular saw and a hammer.