This hole should go through.

Install roof vent for bathroom fan. The cost depends on the bathroom location, accessibility, and roof type. Before installing any roof vent, i recommend looking up the manufacturer’s instructions for that particular roof vent cap. Several different types of pros are likely capable of replacing your bathroom fan—electricians, roofers, plumbers, and hvac techs, as.

Pull the roof vent through the hole you've created. Installing a bathroom exhaust fan through the roof costs $350 to $950, plus permit fees. Let us tell you right away, that it is a bad idea to do so.

Draw a mark on the bathroom ceiling where you'd like to install the vent fan. You need to decide on the desired location where you will vent. Venting bathroom fan through the drain vent people suggest connecting the bathroom fan with the drain vent.

Leave the drill bit sticking through the roof so you can find the. Take the end of the duct with the connector fitting and attach it to bath vent fan. Turn on the fan for a test run.

How much does it cost to. Pass the opposite end of the. Now start drilling a hole in that location on the attic.

Before you even go so far as to purchase a new exhaust fan, you should take off the cover to the old one and measure the housing for the. The first step to install a bathroom fan on the roof. Vent hood installation on roof.