The Types of Ridge Vents for a House Roof

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The Types of Ridge Vents for a House Roof
A ridge vent helps regulate airflow along a roof so the temperature in the attic can be regulated. (Jupiterimages/Photos.com/Getty Images)

Ridge vents are instrumental in regulating temperatures in the attic or upper level of your home. Positioned on the roof of a home, ridge vents allow air to flow in and out of the attic so the space is not too hot or too cold and there is a balance between the interior and exterior temperatures. Ridge vents may also help prevent moisture from building up inside an attic and prevent ice or snow from accumulating along gutters and eaves. Several different types of roof ridge vents are available, so there should be an effective option for whatever style of roof you may have.

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Continous Ridge Vent

Continuous ridge vents are the best ventilation option for homes with pitched roofs. They run along the full length of the roof's peak and are effective ventilation systems year-round. Continuous ridge vents distribute even ventilation and maximise airflow along the roof's entire underside. They are not affected by changes in wind direction, and supply a higher airflow per square foot of attic air volume than other fixed vent roof systems. Continuous ridge vents are usually slim in design so they do not significantly alter the look of a home.

Synthetic Roll Ridge Vent

Synthetic roll ridge vents are one of the easiest type of ridge vents to install and are made of a flexible synthetic material. As a result, they work best for a roof with a steep peak because they can be moulded to fit the peak exactly. This type of ridge vent gets its name from the fact that it comes in a roll and is simply laid out across the roof. While easy to install, synthetic roll ridge vents typically do not allow the best airflow, and leaks may occur if the shingles over the vent become damaged.

External Wind Baffle Ridge Vent

An external wind baffle ridge vent is a roof vent that deflects wind so it moves up and over the vent. It can reign in even the slightest of breezes to produce a low pressure force that drives air out of the home's attic. Because it functions in this way, an external wind baffle ridge vent may also help prevent rain or snow that is blown around by heavy winds from seeping into the attic.

Unbaffled Ridge Vent

In the case of an unbaffled ridge vent, wind and other elements blow directly through the roof vent. The air that enters the vent produces pressure in the home's attic, so air and moisture are not removed from the space. Unbaffled ridge vents also allow stronger winds to pass through from one side of the vent to the other, which aids in preventing air and moisture from leaving the attic as well. In general, unbaffled ridge vents do not ventilate attic spaces as well as baffled ridge vents.

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