Attic Vents Purpose

Attic ventilation in the winter.

Attic vents purpose.

Why plumbing air vents are important. While hardly anybody agrees on the best roof ventilation system everybody agrees some roof vents do hardly any good at all. Its drainage and vent functions are actually two systems. Attic must have 5 sq.

Your home s plumbing system is designed to efficiently remove water and waste. Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. Located at the edges of the roof these intake vents can be installed at the eaves under the soffit at the drip edge or under the shingles at the roof s edge. When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic.

Some houses do have highly visible have gable vents which are grids placed into the siding near the top of the gable wall or turbines which are much larger than plumbing vents. The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available. The intake vents work with ridge vents to allow cool air to enter the attic space forcing warm air to exit through the ridge vents. Covering up the soffit vents with loose fill or batts which can happen if you stuff insulation along the eaves is a huge no no.

While heat migrates in the summer because your attic is acting as a giant pressure cooker in the winter the attic space is colder allowing more room for the heat to rise and bring all that warm cozy. Throughout the balance of this digest the terms attic and roof will and can be used interchangeably. It channels the exhaust gases to the vent and helps maintain proper atmospheric pressure in the waste system. The purpose of these vents is to keep air circulating in the attic which helps control ice dams in winter prevents overheating in summer and controls moisture all.

You would think that venting an attic would be counterintuitive in the winter or cold months. 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. The vent stack is the pipe leading to the main roof vent. Take for example ridge vents.

It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. These can be ridge vents wind turbines or the flat vents your roofer wants to install.

For the same reason insulation shouldn t touch the roof s underside. See the benefits of attic ventilation a new roof is more than just shingles.