Nail the lower corners with roofing nails and tar the heads.
How to install roof vent v bathroom fan.
Slide the vent under the shingles so they cover the top half of the vent flange.
Get the trade secrets from the jet fan man who has installed around 13 000 attic fans since 1983.
The lower half of the flange sits on top of the shingles.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.
Each bathroom has its own exhaust fan.
Learn how easy it is to install an attic fan.
Choosing a whole house fan.
Then drill a hole on the roof top.
The 2 pipes one a 4 master and the other a 3 2nd do not go through the ceiling but into a common box that goes through the roof.
Apply a bead of asphalt roof cement on the bottom of the vent.
Over there mount the vent hood using tri polymeric locking seal paste and put the nails to strengthen it.
Center the nail between two rafters.
Each fan vents separately out the roof.
One in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms.
From the roof find the nail and use the utility knife to cut roof shingles from around the nail.
In this instructional i show you step by step how to replace a leaky rv roof vent fan with a new one.
It eliminates the need for routing ductwork through the house and these fans usually dry the bathroom more quickly.
Watch part 2 here.
Wrap the joints with duct tape.
This involves running ductwork from the fan usually though an attic and out through the roof.
If you have two bathrooms that are close together and one has an exhaust fan and the other doesn t you might be.
Slide clamps over the flexible duct at both the roof cap and the fan housing then slip the clamps over the tailpieces.
Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.