Install A Passive Roof Vent

The size of the rectangle will depend on the size of the vents but.

Install a passive roof vent.

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. For example if using a vent capable of servicing 100 square feet use 20 vents to service 2 000 square feet of living space. A drip edge vent is made of a corrosive resistant material that sticks out about three inches back from the roof edge and then bends downward over them. 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. Passive roof vents encourage natural air flow and work without the aid of motorized fans. Make a template using cardboard that s the width of your overhang with a hole the size of the vent cut in it. Roof vents enhance the overall comfort of the house by providing escape hatches for hot stale moist air which can reach temperatures of 150 degrees in summer.

These specialty vents do not affect the. Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight. Have a partner hold the ladder steady so you can work safely. 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.

Use a tall ladder to reach a taller overhang. They help keep the home more comfortable by providing areas where the heated moist and stale air can exit your home. First check the manufacturer s specifications to understand how many square feet a particular vent can service. 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.