Attic Vents Purpose

The vent stack is the pipe leading to the main roof vent.

Attic vents purpose.

You would think that venting an attic would be counterintuitive in the winter or cold months. 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. For the same reason insulation shouldn t touch the roof s underside. 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.

Attic must have 5 sq. Take for example ridge vents. 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. 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.

Your home s plumbing system is designed to efficiently remove water and waste. These can be ridge vents wind turbines or the flat vents your roofer wants to install. Why plumbing air vents are important. Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof.

Throughout the balance of this digest the terms attic and roof will and can be used interchangeably. See the benefits of attic ventilation a new roof is more than just shingles. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. 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.

I have roof vents so i have roof ventilation. 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. It channels the exhaust gases to the vent and helps maintain proper atmospheric pressure in the waste system. 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.

Its drainage and vent functions are actually two systems. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. Now that we ve reviewed how ventilation works. The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available.

While hardly anybody agrees on the best roof ventilation system everybody agrees some roof vents do hardly any good at all. 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.