When it is time for backwater valve installation
If sewage has ever come up through a basement floor drain during heavy rain, the case makes itself. Even without a past flood, homes with finished basements, a lower-level bathroom, or a laundry room below grade are exposed. Once a summer downpour overloads the city main, water follows the easiest path, and an open floor drain in your basement is an easy path.
Insurers increasingly ask about backwater protection. It is worth checking your policy for any requirement or discount connected to having one.
How we handle backwater valve installation in Vaughan homes
We camera the main drain first. That confirms where the line runs, how deep it is, and whether the pipe is in good shape. A valve set into a cracked or offset line will not do its job.
Next comes cutting the basement slab where the main drain leaves the house, usually close to the front wall. The pipe is exposed, a section is removed, and a normally-open valve is installed with an access box finished flush to the floor. Concrete is restored around it.
The City of Vaughan requires a plumbing permit for this work. We look after the application and inspection so the installation is on record. Our article on plumbing permits in Vaughan explains why this matters, and the city has run subsidy programs for flood protection in the past, so check what is currently offered.
Standing over the problem right now?Ring (365) 364-0926 and describe what you see.
What affects the job
- Basement finishes in the way of the main drain.
- Depth and material of the drain under the slab.
- Whether a sump pit or other below-grade fixtures need to be coordinated.
- Permit and inspection scheduling.
Step by step
- Camera inspection and locating the main drain.
- Permit application.
- Cut and remove concrete over the drain.
- Install the valve, level and aligned with flow.
- Inspection, then backfill and restore the floor with an access cover.
- Show you how to open and check the valve.
Already dealing with water damage? Start with basement flooding repair. If the floor is open for other work, such as running a new gas line to a basement appliance, coordinating trades can save a second disruption. And because winter brings its own risks, our frozen pipe guide pairs well with this one.
Plan on the basement being a work zone for the day the floor is open, and on a short wait between the inspection and the final concrete. We keep dust contained as well as we can, cover nearby finishes, and leave the access box clean so you can lift the lid and see the valve whenever you like. Most people find it reassuring to look in after a big storm.
We also note where the access box sits so you can keep furniture and storage clear of it.
Questions homeowners ask
Homeowners from Nobleton down to Concord ask these questions most.
How it works
- CallDescribe the problem; we ask about shutoffs and safety first.
- LookWe open it up and show you what failed.
- AgreeYou approve the price before work starts.
- Fix and testRepair, test, wipe down, and walk you through it.
Questions from callers
Is a backwater valve full flood protection?
Not quite. Its job is keeping sewer backflow out of your drains. Groundwater coming through walls or the floor is handled by grading, weeping tiles and a sump pump.
Can I use my plumbing while the valve is closed?
Avoid it. When the valve closes during a surcharge, water you send down the drains has nowhere to go and can back up in the basement.
Does it need a permit?
Yes. In Vaughan, installing a backwater valve requires a plumbing permit and an inspection.
Ready when you are.Call Vaughan Plumbers at (365) 364-0926. A person answers.
