Install A Passive Roof Vent

Passive roof vents allow air flow throughout the house without the use of fans.

Install a passive roof vent. 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. Passive roof vents encourage natural air flow and work without the aid of motorized fans. Use a tall ladder to reach a taller overhang. 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.

Have a partner hold the ladder steady so you can work safely. 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. They help keep the home more comfortable by providing areas where the heated moist and stale air can exit your home. Then calculate the size of the overall living area and determine how many vents to install.

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. 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.

Make a template using cardboard that s the width of your overhang with a hole the size of the vent cut in it. Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight. 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. 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.