Roof Air Ventilation System

Plus roofing and attic ventilation systems can protect homes from the expensive roof and structural damage caused by trapped heat ice dams moisture and mold.

Roof air ventilation system.

Owens corning recommends a balanced ventilation system based on the u s. Build your roof empowers you to select each layer and component that goes into your total protection roofing system so that you get the roof you want to protect. In short an adequate and balanced ventilation system is one that allows an equal amount of air to enter and exit the attic area. Take for example ridge vents.

The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available. What exactly does that mean. Big organizations like the forest products laboratory and even the american society of heating refrigerating air conditioning engineers realized that poor roof ventilation systems could cause condensation problems in a. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

The early to mid 20th century saw the development of this concept. I have roof vents so i have roof ventilation. 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 building codes and building science for natural roof ventilation however only appeared in the 1940s.

A ridge vent is a ventilation strip that is placed along the ridgeline of the home. Allows cool dry air to enter the attic. Roof ventilation in a cold climate vents moisture and ensures a cold roof temperature to avoid ice dams. It is important that air movement occurs and is not impeded by any framing members of the.

It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic. A home s ventilation system consists of everything from roof vents to the best attic fans without the right roofing and attic ventilation system your home can become uncomfortable and cost more to cool or heat. For all roof designs however the most important feature of a roof ventilation system is adequate and balanced airflow.

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. While hardly anybody agrees on the best roof ventilation system everybody agrees some roof vents do hardly any good at all. See the benefits of attic ventilation a new roof is more than just shingles.