Proper Vent Pipe Installation Through Roof

First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic.

Proper vent pipe installation through roof. Vent pipes provide this air by running outside the structure of the house. The stack also allows fresh air in to keep water running smoothly through your piping. In the attic use the plumb bob to mark the center of the hole to be cut for the roof vent boot. Plumbing vent pipes are connected to your drain system and are needed for water to drain properly.

Insert the blade of the jigsaw through the hole and cut the hole. Be careful not to oversize the hole as this will cause a potential leak in the roof. Water and waste head down the pipe while gasses are vented up and outwards. This is how i installed my dwv drain waste vent pipe through my metal roof.

The main vent usually rises straight through the roof from the main soil stack a vertical 3 or 4 inch acrylonitrile butadiene styrene or abs pipe depending on system size that connects. The stack pipe leads the whole way out through your roof and further underground in the opposite direction to main sewer lines. Move the opening 5 feet closer for every 90 degree bend that you need in the vent line and 2 1 2. Be sure to subscribe.

It lets air into the system filling the vacuums left. This allows unpleasant and potentially dangerous odors or fumes to safely leave your plumbing system escaping harmlessly into the air outside. Vent pipes run from waste or drain pipes upwards ending outside the building usually sticking up through the roof. The shorter the vent pipe the better but 25 feet is the maximum length most dryers can handle.

Understand how vent pipes work. Running a vent pipe out of the roof takes some careful preparation. If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do it. Install the pipe securing each joint as needed.

Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood. To install a roof vent start by choosing a good location from inside the attic and then pound a nail all the way through the roof at that location so you can find the spot from outside. When water drains air must replace the space that was taken up by the water. Drill a starter hole with the electric drill.