Plumbing for Renovations & New Construction

The Decisions That Have to Happen Before the Walls Close

Renovation plumbing goes wrong at the planning stage far more often than during the install. Fixture positions, drainage falls, vent routing, and hot water capacity all need settling while the framing is still open, because every one of them is expensive to revisit afterwards.

The commonest failure is moving a fixture without checking whether the drain can still achieve the required fall to the stack, or whether the new position can be vented properly. The fixture goes in, it drains badly, and the fix means opening a floor that has just been finished.

• Fixture positions confirmed against achievable drainage falls
• Vent routing planned before framing is closed
• Hot water capacity checked against the new fixture count
• Shutoff and access points left reachable after finishing
• Rough-in inspection booked before insulation and drywall

Basement and Secondary Suites

Suite projects carry plumbing questions that a standard renovation does not. Below-grade drainage may need a sewage ejector if fixtures sit below the level of the main line. Venting has to be planned for the new fixture group rather than tapped off whatever is nearest. Hot water capacity that was adequate for one household is now serving two.

These are all solvable, but they are solvable cheaply only if they are raised at the design stage. Suite plumbing is also permitted work with municipal requirements that vary between cities, so the permit path should be confirmed before the layout is locked in.

Working With Your General Contractor

On a project with a general contractor our job is to fit the plumbing into a sequence somebody else is running. That means being available for rough-in when the framing is ready, being finished before insulation and drywall, and coming back for finish plumbing once the surfaces are in.

What makes that work is agreeing the sequence early rather than reacting to it. We coordinate rough-in, inspection timing, and finish scheduling directly with the project team, and we flag conflicts when we see them rather than after they have cost somebody a week.

Permits and Inspection Sequencing

Plumbing work on a renovation or new build is permitted and inspected, and the inspection sequence governs the schedule more than the physical work does. Rough-in has to be inspected before it is covered, which means drywall cannot proceed until that inspection has happened and passed.

Building that into the plan from the start avoids the situation where a trade is standing by waiting for an inspection that was booked late. We factor permit and inspection timelines into what we tell you about the schedule rather than quoting only the days we are on site.