Go into your attic.
Run vent pipe thru roof.
Bath vent fan duct routing.
Cut through the plywood and roofing material with your reciprocating saw.
Look inside the vent opening and clear out any debris you find.
If any nails are not covered by shingles cover the heads with roofing cement.
Leave the drill bit sticking through the roof so you can find the hole.
Is it acceptable to run 1 1 2 schedule 40 pvc through the roof for a new vent stack.
Try to keep it close to the fan location.
The true vent is aligned vertically and attaches to your drain line through the roof.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.
I m trying to figure out what type pipe i need for terminating a vent stack in the roof.
Follow the outline you marked out.
Position the vent pipe up to the bottom of the roof.
To anchor the jack lift up some shingles and drive roofing nails.
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.
The typical vent system consists of a network of pipes that connect to every drain p trap and extend via a main stack that pokes through the roof just above the main bathroom.
And the loop vent.
With the pipe in a vertical position.
Slip the jack under the roof shingles at its upper half.
In all cases the ducting needs to conduct the exhaust to the building exterior and needs to terminate in an animal proof vent cover.
For one reason or another it may be impractical or impossible to construct this main vent through the roof so it s usually permissible to extend it from another part of the house.
This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space.
How to install a vent pipe through a roof step 1.
Remove the vent cover with the screwdriver and set it aside.
The lower half of the jack rests on top of shingles.
This allows unpleasant and potentially dangerous odors or fumes to safely leave your plumbing system escaping harmlessly into the air outside.
Up through roof down through floor or crawl area.
Start in the attic and drill a hole through the roof in the desired vent location.
Vent pipes run from waste or drain pipes upwards ending outside the building usually sticking up through the roof.
It lets air into the system filling the vacuums left by water moving through the pipe.
True vents also have no water running through them.
Poke the vent pipe up through the rubber flange.
The international residential code allows you to run a dryer vent through the attic but you can t terminate it there.