Drain Waste Vent Underneath Floor

Figure 7 floor waste gully installed under a concrete slab on ground.

Drain waste vent underneath floor.

If the drain lines in your home have poor venting as in figure a for example water rushing down the drains will pull water from nearby p traps. Tips on replacing a sagging pipe under the floor when dealing with extensive plumbing problems it s important to consult a professional to ensure proper repairs and safety measures. True vents also have no water running through them. 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.

This is the purpose of a venting system. As water goes down a drain air is needed to equalize the pressure in the drain line. The true vent is aligned vertically and attaches to your drain line through the roof. The fat pipes in your house make up the dwv carrying wastewater to a city sewer line or your private sewer treatment facility called a septic tank and field.

The same holds true for plumbing vent pipe.