Attic Ventilation Channel Installing

Raft r mate attic rafter vents create a space between each rafter for air to flow freely up the rafters and into the attic.

Attic ventilation channel installing.

Owens corning raft r mate attic rafter vents. Attic ventilation channel 10 per carton the provent rafter vent channel provides an unobstructed air channel through your insulation. To install the rafter vents staple them directly to the roof decking. Installing baffles from a soffit vent and up the rafter bay allows you to insulate every available inch of attic floor space.

Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings. Water resistant and durable. Apply roof cement where shingles meet the vent. One reason for the lack of agreement over attic ventilation is the tremendous variation in climate across north america.

Assist in the constant flow of fresh air from soffit vent to the ridge by preventing blockage of the airway at the soffit. Add a dab of cement to secure the shingles to the attic vent cover base. Without baffles you must keep vents clear of insulation which means. In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq.

Of vent for every 300 sq. Ado products durovent 23 1 2 in. Rarely will you find a building practice that works everywhere. Photos 1 6 show how it s done.

Install the attic vent cover. Adding attic vents is a simple matter of cutting holes and installing vents. Soffit vents are one of the most popular intake vent styles. Attic ventilation system with built in baffle 10 carton install between rafters to provide an air channel through insulation to help keep air flowing freely.

For instance attic ventilation is used widely in cold climates to evacuate the warm moist air that escapes from the living space below. Continuous or individual soffits. Rafter vents ensure the soffit vents are clear and there is a channel for outside air to move into the attic at the soffits and out through the gable or ridge vent. In order to install an unvented roofing system in colder climates you ll need highly rated rigid insulation to prevent condensation on your roof sheathing.

They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic. In fact the colder the climate the more likely it is that your home will benefit from attic ventilation.