Using Ridge Vent On Low Slope Roof

Most ridge vents cobra etc call for at least a 3 12 pitch.

Using ridge vent on low slope roof.

A ridge vent is an important part of a home s roofing system. There are many benefits of installing a ridge vent in your roof. 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.

Most of the ceilings are vaulted so there are almost no attics. Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic. But because you have a few dormers on your home i doubt it would fall into the. For starters you will be able to enjoy fresh air especially if your home is located in humid or hot areas.

One of the great things about a ridge vent is that it is at the topmost point of your roof with hot air constantly rising it is bound to make it way out of the top of your vents thus bringing in cooler air through your soffit vents and into your roof cooling it down. 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. The code here is massachusetts allows shingles on roofs with pitches of 2 12 or steeper so i m good there. The problem i m having is finiding a ridge vent that is capable of being installed on the ridge above the dormer.

My concern with very low sloped metal roofs are the eave ridge rake and any openings. Remarkably ridge vents are considered as long. Even a partially dislodged ridge vent can begin to act like a scoop that collects wind driven rain and directs it into the attic. This process also helps to reduce the amount of moisture buildup in your roof avoiding any damages to your roof members.

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. If your home has this style of roof or a fairly low slope on a conventional attic ridge vents may be appropriate. It ll be 2 12 on one side and about 5 12 on the other. Position the aluminum ridge vent along the reference line.

The inside air moves through the ridge vest underneath the cap shingle to escape from the side and into the general atmosphere. It is pretty common to find ridge vents dislodged or blown off during a hurricane figure 8. Metal roofs use lapped flashing which relies on a slope to shed the water in the desired direction. I ll leave a 1 minimum gap between the insulation between the rafters and the roof decking and this cavity needs to be ventilated.

A properly installed ridge vent increases energy efficiency and prolongs the life of your roof. Ridge vents are frequently fastened down using ordinary roofing nails since these are normally handy.