The Principle Of Attic Ventilation

In the summer good attic ventilation reduces heat buildup.

The principle of attic ventilation.

Intake vents located at the lowest part of the roof under the eaves allow cool. With that in mind here are three important principles to ensure proper attic ventilation. It also helps prevent ice dams. Thus you first have to calculate the square footage of the attic if you don t already know it and to do it you need to measure three values the length width and height of the space.

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 membranes. It states that for every 150 sq. If you understand the principles of attic ventilation you know an effective venting system provides year round benefits. During warmer months ventilation helps keep attics cool.

There is a formula for calculating your ventilation needs. Proper attic ventilation will help increase home comfort help ensure the life and performance of roofing materials and may reduce utility bills. Several purposes of an attic ventilation system are to provide added comfort to help protect against damage. Take the total square footage of your attic and divide it by 150.

It also helps prevent ice dams. It helps minimize the impact of ice damming. Of attic space you need 1 sq. Attics need to breathe in all climates.

Attics are ventilated by strategically placed roof vents which allow outdoor air to come in and let indoor air escape. It promotes a cool dry attic. In the winter warm moist air seeps into the attic from the living space below. Proper ventilation uses intake and exhaust vents to help reduce energy costs by removing the hot air from the attic.

During colder months ventilation reduces moisture to help keep attics dry. An effective attic ventilation system provides year round benefits. 3 principles of proper attic ventilation. During colder months ventilation reduces moisture to help keep attics dry.

It helps prevent moisture from becoming trapped in insulation structural wood shingles and roof deck. It allows outside air to flow naturally upward and out of attic. By removing the hot air from the attic the home is able to stay cooler and the air conditioner runs less frequently. That cuts cooling costs and prolongs shingle life.

Principles of attic ventilation. Calculate your ventilation needs. During warmer months ventilation helps keep attics cool. Proper attic ventilation offers all these benefits.

Good ventilation allows the heat and moisture to escape.