Install A Passive Roof Vent

Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof.

Install a passive roof vent.

First check the manufacturer s specifications to understand how many square feet a particular vent can service. Recommended airflows of either 10 000mm per linear metre or 25 000mm are determined by the pitch or the design of the roof and can be easily achieved using recommended product combinations. They help keep the home more comfortable by providing areas where the heated moist and stale air can exit your home. These specialty vents do not affect the.

For example if using a vent capable of servicing 100 square feet use 20 vents to service 2 000 square feet of living space. Have a partner hold the ladder steady so you can work safely. Whilst it is possible to retrofit passive ventilation solutions to existing buildings it is highly recommended to incorporate passive ventilation during the design phase of any new building project. Fasten the vent to the roof decking and rafters or trusses by nailing through the flange on both sides of the vent using the nails and nail spacing recommended by the manufacturer.

Make a template using cardboard that s the width of your overhang with a hole the size of the vent cut in it. Passive roof vents encourage natural air flow and work without the aid of motorized fans. Passive roof vents allow air flow throughout the house without the use of fans. Then calculate the size of the overall living area and determine how many vents to install.

The size of the rectangle will depend on the size of the vents but. Drip edge vents are a two in one installation that promote water shedding at the eaves and rakes of a roof while also allowing for ventilation into the attic. They help keep the home more comfortable by providing areas where the heated moist and stale air can exit your home. Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight.