Are Main Plumbing Drains Vented to the Roof? Yes, Here’s Why

Have you ever heard a gurgling sound coming from your sink or noticed a foul odor lingering in your bathroom? These are often telltale signs of a compromised plumbing vent system. For many homeowners, the question arises: are the main plumbing drains vented to the roof? The short answer is yes, and understanding why is…