Proper Roof Ridge Vent Installation

Position the aluminum ridge vent along the reference line.

Proper roof ridge vent installation. Prior to installing the ridge vent a 1 inch wide strip of roof decking is cut out along both sides of the ridgeline to allow for air movement through the vent. Since exhaust and intake must be equal 450 square inches of total intake is required as well. 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. It is important that air movement occurs and is not impeded by any framing members of the.

A hot ceiling tells you that the attic is acting like a solar oven raising your cooling bills and cooking. Fasten the vent to the roof decking and rafters or trusses by nailing through the flange on both sides of the vent using the nails and nail spacing recommended by the manufacturer. 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. Your roof may have a ridge vent which is a low profile continuous roof air vent running along the peak of the roof.

Or it may have gable vents which are louvered openings at the top of gables. Several ridge vent installation tips are given in this video. This gives you 450 square inches of total exhaust. These vents are laid along the ridge of the roof and can come as a series of separate pieces or one long piece.

Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight. Multiply it by 18 square inches the net free air per foot of ridge. Touch your ceiling on a warm sunny day. How do you pick the right attic 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. A ridge vent is a ventilation strip that is placed along the ridgeline of the home. To calculate an example of exhaust and intake use 25 feet of roof ridge vent.

For ridge vent to function properly it must be the only exhaust vent for the vented attic space. Do not use with gable end louvers turbines roof vents or power vents. 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.