Best Way To Baffle Air In Attic

Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping.

Best way to baffle air in attic.

It s best to separate the. The main function of an attic baffle is to draw the air in from outside your home and allowing it to circulate around your attic. You will need a baffle for each space between the rafters. Surprisingly even the most well insulated attic space may still require the assistance of attic baffles to provide the additional air circulation.

Some of this water vapor rises into the attic. Rafter baffles are sheets of plastic foam or cardboard that fit between the rafters in your attic to prevent moisture accumulation and add insulation to your home. Coat your arms face and neck with talcum powder to reduce the itching from insulation staple the chutes in place. The deeper the insulation the longer the baffles have to be.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space. The faster the wind moves over the baffle the greater the pressure it creates. You can situate the baffles where the circulation is mainly required.

Baffles should fit snugly between your rafters and extend from just over the vent at the wall plate up the rafter. Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter. The preferred way is for the baffles to begin above the ventilated soffit and extend all the way to the small attic above the second floor ceiling. Make sure the fill s depth is uniform across the attic.

How important is using baffles in attic insulation. Wind can blow up through soffit vents disturbing insulation and moving it out of place. If you are finishing the entire attic space place the baffle directly adjacent to the soffit vent so air vents directly into the tray of the baffle and is captured against its bottom. Be sure to wear long sleeves goggles and a dust mask.

Rafter baffles should be installed before dry wall or insulation. Install air chutes in each rafter space to keep the air path clear between the rafters and the roof sheathing. During the summer soffit. Proper air circulation in the attic is all about preventing moisture buildup.

In a traditional cape cod house with 4 foot kneewalls there are two ways to install ventilation baffles.