Best Way To Baffle Air In Attic

Coat your arms face and neck with talcum powder to reduce the itching from insulation staple the chutes in place.

Best way to baffle air in attic. Proper air circulation in the attic is all about preventing moisture buildup. Some of this water vapor rises into the attic. Install air chutes in each rafter space to keep the air path clear between the rafters and the roof sheathing. In a traditional cape cod house with 4 foot kneewalls there are two ways to install ventilation baffles.

How important is using baffles in attic insulation. Be sure to wear long sleeves goggles and a dust mask. To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space. In the summertime the outdoor air temperature as well as the air inside the attic is warmer than it is in the winter and warmer air can hold more moisture than cold air can.

Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter. Pull any existing insulation away from the edges of the attic where you will be putting up the baffles. It s best to separate the. Surprisingly even the most well insulated attic space may still require the assistance of attic baffles to provide the additional air circulation.

Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping. 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. Make sure the fill s depth is uniform across the attic. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

Wind can blow up through soffit vents disturbing insulation and moving it out of place. During the summer soffit. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. 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.

Baffles should fit snugly between your rafters and extend from just over the vent at the wall plate up the rafter. Rafter baffles should be installed before dry wall or insulation. 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. 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.

The faster the wind moves over the baffle the greater the pressure it creates.