Purpose Of A Roof Vent

Throughout the balance of this digest the terms attic and roof will and can be used interchangeably.

Purpose of a roof vent. Continuous or individual soffits. Power attic ventilators which run on a power source are an exhaust vent option for certain roof designs or areas without much wind. The idea of venting drains revolutionized plumbing back in the 1800s and today every house has a network of vent pipes that connect to the main soil stack which is the largest pipe you see jutting through the roof. A roof ridge vent is a fixed vent installed on the ridge of a roof to ensure proper air ventilation within the house or building.

The purpose of the vents is to allow air into the system and prevent flowing water from creating a suction that slows it down. It channels the exhaust gases to the vent and helps maintain proper atmospheric pressure in the waste system. Its drainage and vent functions are actually two systems. Your home s plumbing system is designed to efficiently remove water and waste.

Like the ridge vents edge vents are also made of a copolymer material. Static vents are horizontal openings basically vent covered holes in the roof that allow air movement to take place. If they have a heightened profile it s likely due to a continuous style vent that travels along the entire length of the ridge. The main purpose of a roof ridge vent is to optimize airflow under the roof.

The main cause of failure for plastic roof vents is cracking. A few common types of vents used in roof ventilation systems include static vents ridge vents and gable vents. The general purpose of attic ventilation is to keep attics cool in the summer and dry during the colder months. Once installed on the ridge line and possibly covered with shingles the vents are inconspicuous.

In cold climates the primary purpose of attic or roof ventilation is to maintain a cold roof temperature to control ice dams created by melting snow and to vent moisture that moves from the conditioned space to the attic ventilation acts to bypass the vapour barrier created by most roof. Encouraging natural airflow and circulation makes your home more comfortable by providing a way for hot moist or stale air to leave t. Located at the edges of the roof these intake vents can be installed at the eaves. Soffit vents are one of the most popular intake vent styles.

Or if you don t see vents along the ridge line check the shingles at the top of the ridge. Flat roof vents have no moving parts to break or squeak but don t vent as much air as wind driven vents. Although more vent is generally better replacing a turbine vent with a standard flat vent is acceptable as long the vent is big enough for the square footage of the attic space. What is the purpose of roof ventilation.

These vents can be even harder to spot. Ridge vents are typically made of metal.