**Direct answer:** Rough-in plumbing installs the behind-the-walls drain, vent, and water supply lines for a renovation or new build. Proper planning, sizing, and code-compliant layout at the rough-in stage prevents expensive changes after walls are closed. Plumbing problems are stressful because they can escalate quickly—especially when water is involved. A calm, methodical approach makes the difference. This page covers **Rough-In Plumbing** with a Toronto/GTA focus—what it includes, when you need it, and how we approach the job so the fix lasts. In Toronto & the GTA, older homes, mature trees, and freeze/thaw swings can be hard on pipes and drains. That’s why we focus on solutions that hold up—not quick patches. Tornado Plumbing & Drains provides practical plumbing and drain solutions for homeowners, landlords, and businesses. To book service, call **647-784-8448** or email **[email protected]**. If it’s urgent, calling is the fastest way to get help. We aim for clean workmanship, clear options, and repairs that won’t leave you calling again for the same issue.