Can You Only Have 1 Vent Stack? Plumbing Rules Explained

Have you ever heard a gurgling sound from your toilet after flushing the shower, or noticed a slow-draining sink that defies all logic? These are classic signs of inadequate ventilation in your home’s plumbing system. Many homeowners undertaking renovations or new builds often ask: can you only have 1 vent stack in plumbing? The short…