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How to install vent pipe thru roof.
Begin by attaching the 3 pipe to the full size roof vent pipe.
This is how i installed my dwv drain waste vent pipe through my metal roof.
With the pipe in a vertical position.
Water and waste head down the pipe while gasses are vented up and outwards.
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.
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Yes you can vent a range hood through the roof using a 6 single wall pipe.
This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.
Position the vent pipe up to the bottom of the roof.
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.
The stack pipe leads the whole way out through your roof and further underground in the opposite direction to main sewer lines.
Below are some links to the tools i used on this project.
Follow the outline you marked out.
How to install a vent pipe through a roof step 1.
Where the scrap wood hit the understructure of the roof we drilled a hole straight through to the outside.
Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems.