Installing Bathroom Vent To Roof

Use the reference hole as a landmark to transfer your measurements from the attic to the ceiling.

Installing bathroom vent to roof.

Slide a flat pry bar underneath the. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. Apply a bead of asphalt roof cement on the bottom of the vent. Slide clamps over the flexible duct at both the roof cap and the fan housing then slip the clamps over the tailpieces.

If you have access to the attic the fan can vent either through a gable wall or roof. Slide the vent under the shingles so they cover the top half of the vent flange. Surprisingly bathroom fans are not required by some building codes. Bathroom code does address the issue of moving odor and moisture laden air from the bathroom to the outside.

Nail the lower corners with roofing nails and tar the heads. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. How to vent a bath fan through the roof 1. Use a layout square or framing square to draw the.

Avoid venting through a soffit vent or ridge vent. Choosing a whole house fan. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space. Mark the ceiling back in the bathroom measure the inside dimensions of the vent fan s intake port to determine what size hole you need.

In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover. Wrap the joints with duct tape. The roof cap was done for this stainless steel range hood installation https youtu be 7lvu7lg9zoe was installed a master flow 6 in. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out.

From inside the attic drive a nail through the roof directly above the bathroom vent fan. The lower half of the flange sits on top of the shingles. All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans. This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof.

From the roof find the nail and use the utility knife to cut roof shingles from around the nail.