Hold the vent piece in place until you can nail it down.
How to install a roof vent pipe.
Next use a reciprocating saw with a rough in blade to cut the out the marked template.
Using a sawzall cut any roofing nails in the area of the lower mounting plate flush with the sheathing.
Begin by attaching the 3 pipe to the full size roof vent pipe.
The true vent is aligned vertically and attaches to your drain line through the roof.
Keep this method in mind if you tear into the.
This is best implemented if a fixture rests close to the stack and the top floor of your home allowing the stack to serve as a vent.
How to install a vent pipe through a roof step 1.
Unlike drainpipes vent pipes do not need to slope.
If you need to cut the vent to fit at the end of your roof use a utility knife to make it flush with your home.
Center the vents on the peak of your roof so the sides of the vent lay flat on the roof.
After selecting an area to install from inside the building square the template between the roof rafters and outline with a marker.
Where the scrap wood hit the understructure of the roof we drilled a hole straight through to the outside.
Extend the vent pipe outside the building according to building regulations.
Position the vent pipe up to the bottom of the roof.
Usually the vent pipe must extend six inches above the roof or 12 inches 30 5 cm away from vertical walls but double check your building codes and requirements to make sure.
Once we had the pipe extension connected we figured out where the new vent pipe would need to pass through the roof using a piece of scrap wood held flush with the pipe.
Go into your attic.
Cut through the plywood and roofing material with your reciprocating saw.
Next run the 3 piping across the ceiling of the attic down to the master bath using a 90 degree bend and an even layer of cement glue to connect the pvc pipe and fittings.
4 repeat the ventilation process with any other fixtures you re installing.