Roof Ridge Vent Installation Instructions

A ridge vent is an important part of a home s roofing system.

Roof ridge vent installation instructions.

In this video i replace a poor performing ridge vent with a larger one that helps save my roof. Unique design adjusts to almost any roof pitch. 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. Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic.

Position the aluminum ridge vent along the reference line. 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.

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. 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. 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. A properly installed ridge vent increases energy efficiency and prolongs the life of your roof.

The roll versions comes in easy to handle 20 and 30 foot lengths while the stick version comes in 4 foot lengths. Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight. When properly installed with soffit or eave vents ventsure rigid roll ridge vents meet or exceed requirements of all recognized national building codes. Less than an inch in height and molded from high impact copolymer it s slim profile blends for visual appeal while permitting shingle capping over the ridge for a uniform finished roof aesthetic.

Lomanco omni series ridge vents are available in two versions and two styles. And they have passed all research and development tests for weather infiltration. Certainteed ridge vents combined with sufficient intake ventilation such as soffit vents or certainteed intake vent are the most efficient and. How do you pick the right attic vent.

Wind driven rain 8 8 of rain at 110 mph. Extend the life of your roof by adding a roof vent.