Using Ridge Vent On Low Slope Roof

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

Using ridge vent on low slope roof.

But because you have a few dormers on your home i doubt it would fall into the. Even a partially dislodged ridge vent can begin to act like a scoop that collects wind driven rain and directs it into the attic. My concern with very low sloped metal roofs are the eave ridge rake and any openings. Remarkably ridge vents are considered as long.

If your home has this style of roof or a fairly low slope on a conventional attic ridge vents may be appropriate. This happens because of the change in air pressure. It ll be 2 12 on one side and about 5 12 on the other. It is pretty common to find ridge vents dislodged or blown off during a hurricane figure 8.

I had expected to use continuous ridge vents but they seem to require a minimum slope of 3 12 which is more than several of my roofs. Typically 1 12 essentially flat roofs use scuppers parapets and membranes to ensure that the water can not wick back by capillary action or wind. For starters you will be able to enjoy fresh air especially if your home is located in humid or hot areas. The code here is massachusetts allows shingles on roofs with pitches of 2 12 or steeper so i m good there.

The inside air moves through the ridge vest underneath the cap shingle to escape from the side and into the general atmosphere. Most ridge vents cobra etc call for at least a 3 12 pitch. A properly installed ridge vent increases energy efficiency and prolongs the life of your roof. 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.

Most of the ceilings are vaulted so there are almost no attics. I ll leave a 1 minimum gap between the insulation between the rafters and the roof decking and this cavity needs to be ventilated. The wind which blows over your roof will help to draw the hot moist air out of your attic when roof ridge vents are installed correctly. Metal roofs use lapped flashing which relies on a slope to shed the water in the desired direction.

Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic. The problem i m having is finiding a ridge vent that is capable of being installed on the ridge above the dormer. This process also helps to reduce the amount of moisture buildup in your roof avoiding any damages to your roof members. Many homeowners have depended on ridge vents to help circulate fresh air inside their homes.

Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight. There are many benefits of installing a ridge vent in your roof.