Using Ridge Vent On Low Slope Roof

Ridge vents are frequently fastened down using ordinary roofing nails since these are normally handy.

Using ridge vent on low slope roof.

This happens because of the change in air pressure. But because you have a few dormers on your home i doubt it would fall into the. A ridge vent is an important part of a home s roofing system. Most of the ceilings are vaulted so there are almost no attics.

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. It is pretty common to find ridge vents dislodged or blown off during a hurricane figure 8. 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. The inside air moves through the ridge vest underneath the cap shingle to escape from the side and into the general atmosphere.

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. This process also helps to reduce the amount of moisture buildup in your roof avoiding any damages to your roof members. My concern with very low sloped metal roofs are the eave ridge rake and any openings. The code here is massachusetts allows shingles on roofs with pitches of 2 12 or steeper so i m good there.

I ll leave a 1 minimum gap between the insulation between the rafters and the roof decking and this cavity needs to be ventilated. There are many benefits of installing a ridge vent in your roof. If your home has this style of roof or a fairly low slope on a conventional attic ridge vents may be appropriate. 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.

Position the aluminum ridge vent along the reference line. Many homeowners have depended on ridge vents to help circulate fresh air inside their homes. Remarkably ridge vents are considered as long. It ll be 2 12 on one side and about 5 12 on the other.

A properly installed ridge vent increases energy efficiency and prolongs the life of your roof. 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. Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight. Even a partially dislodged ridge vent can begin to act like a scoop that collects wind driven rain and directs it into the attic.

Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic. Metal roofs use lapped flashing which relies on a slope to shed the water in the desired direction.