Installing Bathroom Fan Vent Through Wall

Click to enlarge any image the exhaust duct using solid metal steel in this case is routed through the ceiling out over the wall top down through a soffit or roof eaves overhang and then enclosed against pest entry.

Installing bathroom fan vent through wall.

Choose the exact area where the exhaust fan will be installed. Pick up the fan s housing and using its inner portion trace the edges of it onto the wall with a marker. There are ductless vent fans that use a charcoal filter to remove odors but they do not remove excess moisture which is the main purpose of a bathroom vent fan. Wrap the joints with duct tape.

If you want to vent a bathroom fan through an exterior wall you will have to cut a 3 inch or 4 inch hole with a hole saw drill bit. The fan and light will be installed over a bathroom shower. If your exterior siding is vinyl or fiber cement you will have an easier time cutting the hole. Using the drill now make holes through the interior wall at the four corners on the tracing.

You install a wall cap by cutting a hole through the siding using a hole saw or reciprocating saw nailing or screwing the cap to the siding and connecting the vent pipe with foil backed tape a cable tie or both. Installing a vent cap or roof vent a wall cap is different from a roof vent both in design and the way you install them. Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan. Measure the vent fan.

For optimum performance locate it between.