Proper Roof Ridge Vent Installation

Touch your ceiling on a warm sunny day.

Proper roof ridge vent installation.

Before the ridge vent installation begins the crew installs pieces of peel and stick membrane to patch under the existing felt paper on the adjacent wall. The first step is to check out this 60 second video and learn about the 300 1 rule the difference between intake and exhaust ventilation and why proper ventilation is so important to get right to help calculate your attic ventilation needs visit gaf ventilation calculator. Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight. Then they lap the peel and stick existing felt and new housewrap over the step and kick out flashings so that any water hitting the wall is directed onto the roof instead of behind the flashing.

Your roof may have a ridge vent which is a low profile continuous roof air vent running along the peak of the roof. A hot ceiling tells you that the attic is acting like a solar oven raising your cooling bills and cooking. A ridge vent is a ventilation strip that is placed along the ridgeline of the home. Tools you will need for roofing from amazon bostitch coil nailer https amzn to 2u1v8e2 shingle remover https amzn to 2fzu5wf roof snake https amzn to 2.

For ridge vent to function properly it must be the only exhaust vent for the vented attic space. To calculate an example of exhaust and intake use 25 feet of roof ridge vent. One of the fundamental steps is to nail one side of the ridge vent before nailing the other sid. Vents evenly spaced underneath the roof provide intake.

This gives you 450 square inches of total exhaust. Multiply it by 18 square inches the net free air per foot of ridge. Do not use with gable end louvers turbines roof vents or power vents. How do you pick the right attic vent.

Or it may have gable vents which are louvered openings at the top of gables. These vents are laid along the ridge of the roof and can come as a series of separate pieces or one long piece. To achieve a balanced system with cobra 4 1 21 m plastic ridge vents there must be an air intake system i e soffits fascia or undereave intake vents. Several ridge vent installation tips are given in this video.

Because the vent material will look different than the shingles some homeowners may choose to have their roofer shingle over the ridge vent once it s installed. Position the aluminum ridge vent along the reference line. Since exhaust and intake must be equal 450 square inches of total intake is required as well.