Let us tell you right away, that it is a bad idea to do so.

How to vent a bathroom fan through the roof. Remove the knockout hole on the side of the fan housing and attach a cable connector. The best way is to mark with nails in the middle of the rafter bay. You need to take a nail, and you are going to drive it right through the.

Place the elbow straight up and secure the port with foil duct tape. If you have a standard bath fan, then venting it through the roof is not necessary. Slide the four metal brackets on the.

Bathroom vents, attic, furnace or water heater vents etc.full step by step instructions to complete the job properly. Run the duct from the vent to the location of. Start in the attic and drill a hole through the roof in the desired vent location.

Leave the drill bit sticking through the roof so you can find. Cut a hole through the side wall. In years past, venting a bathroom fan to the attic was.

The answer is that it depends on the type of bathroom exhaust fan you have. Can a bathroom fan vent into the attic. Now you need to make an opening in the underlay felt.

Set a circular saw to cut through the siding and sheathing just deep. First, we must set a mark of the vent hole. Go to the attic and get the insulated flexible duct line for attaching to the fan housing at this point.