How To Install An Exhaust Fan In A Metal Roof

Also bring your reciprocating saw cordless drill pencil and silicone caulk.

How to install an exhaust fan in a metal roof.

From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Then get on the roof and draw the circle around the pilot hole with a piece of chalk. Solar roof exhaust fan.

See below for a shopping list and tools subscribe. Leave the drill bit sticking through the roof so you can find the hole. The strap folds over the circular ridge on the flashing and can either be screwed or nailed through the strap. Try to keep it close to the fan location.

Bring your round vent for walls or vent cap for roofs. Use a tape measure to determine the diameter of your fan or check the manufacturer s specifications. So when installing a roof mounted fan it s smart idea to also go ahead and install an exhaust fan hinge kit. Draw a circle on the roof matching the diameter of your fan.

Measure and cut to the inside fan dimensions through the wall using a reciprocating saw watch out for any electrical plumbing and insulation barriers frame the top header and bottom saddle and add any required side studs for securing the fan. As per figure 4 fit a minimum of 1 rafter batten strap 2 supplied. Optimal air movement not only promotes temperature regulation and energy efficiency but also reduces the risk of moisture related issues like condensation build up. Start in the attic and drill a hole through the roof in the desired vent location.

The pilot hole you drilled should be in the center of the circle. Selecting metal roof and wall panels is a strategic investment for the life of a building. Attach the fan to the framing and connect power. Metal roof installation instructions.