Installing Vent Pipe Through Roof

Start in the attic and drill a hole through the roof in the desired vent location.

Installing vent pipe through roof.

In this video i cover installing a roof boot for a vent pipe in a metal roof. Position the vent pipe up to the bottom of the roof. Leave the drill bit sticking through the roof so you can find the hole. 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.

Cut through the plywood and roofing material with your reciprocating saw. Vent a fixture by cutting into the drain line using a saw. A single wall pipe will require 18 inch clearance to the ceiling while double wall pipe needs an 8 inch clearance to the ceiling. 4 repeat the ventilation process with any other fixtures you re installing.

With the pipe in a vertical position. When calculating your chimney pipe size subtract 1 5 inches for each joint overlap. A double wall pipe needs a 12 inch clearance space. Try to keep it close to the fan location.

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. Extend the vent pipe outside the building according to building regulations. You will need to cut the opening to the roof to extend the chimney pipe. Below are some links to the tools i used on this project.

The metal i m using is called crinkle black i purchased all my materials at h. Follow the outline you marked out. This vent pipe rises vertically towards the roof where it opens to the atmosphere to get the needed replacement air. The true vent is aligned vertically and attaches to your drain line through the roof.

To prevent traps in downstream fixtures from being sucked dry like my friend s kitchen sink you install a vent pipe usually within 3 feet close to the fixture trap. How to install a vent pipe through a roof step 1. True vents also have no water running through them. Go into your attic.

There can t be any drains above the point. What is the normal size of most vent pipes. 2010 uniform plumbing code states. Install a sanitary tee.

Each vent pipe shall extend through its flashing and shall terminate vertically not less than six inches above the roof nor less than one foot from any vertical surface you can run the pipe at the exterior but you probably should extend above the roof line. This is how i installed my dwv drain waste vent pipe through my metal roof.