A damaged sewer line rarely announces itself until wastewater starts backing up into a basement drain or a foul smell lingers near the lowest point in the house. In Scarborough's older neighbourhoods, sewer laterals installed decades ago in clay or cast iron have had years to crack, shift, or fill with roots, and a small defect can grow into a serious blockage without warning. We diagnose the exact problem before recommending a repair so you're not paying to fix the wrong section of pipe.
Sewer repair covers a wide range of work, from patching a single cracked joint to relining a short section that has separated. We use camera inspection to confirm where a line has failed and how far the damage extends, then choose a repair method suited to the pipe material, depth, and location relative to your foundation, driveway, or landscaping.
Signs You Need Sewer Repair
Watch for these signs that your sewer line may need repair:
Recurring drain backups
If the same drains clog again shortly after being cleared, a structural defect further down the line is often the underlying cause.
Sewage odour near the foundation or in the yard
A persistent smell outside near the sewer line's path can mean wastewater is escaping through a crack before it reaches the street.
Soggy or unusually green patches in the lawn
A section of lawn that stays wet or grows greener than the rest can indicate leaking wastewater feeding the soil above the pipe.
Gurgling sounds from toilets or floor drains
Air trapped behind a partial blockage or a collapsed section often produces gurgling when other fixtures are used.
Cracks appearing in the basement floor or walls
Long-term leaking under a slab can soften surrounding soil and contribute to settling or cracking nearby.
Slow drainage throughout the house
When multiple fixtures drain sluggishly at once, the problem is often in the shared sewer line rather than an individual trap.
How We Do It
Our approach to diagnosing and repairing a sewer line:
Step 1: Camera inspection
We run a camera through the line to see the exact condition of the pipe, locate cracks, offsets, or root intrusion, and measure the distance to the problem area.
Step 2: Locating the defect
Using the camera's built-in locator, we mark the position and depth of the damaged section on the surface above to plan the excavation or access point.
Step 3: Choosing a repair method
Depending on the extent of the damage, we recommend either a spot repair, a lining process, or a longer excavated section, explaining the trade-offs of each.
Step 4: Completing the repair
We carry out the chosen repair, replacing or lining the damaged section and reconnecting it securely to the sound pipe on either side.
Step 5: Post-repair camera check
Once the work is done, we run the camera through again to confirm the repaired section flows properly and there are no remaining defects nearby.
Step 6: Restoring the site
If excavation was needed, we backfill and restore the area as close as reasonably possible to its original condition.
Sewer repair across Scarborough's older streets
Many homes in Wexford, Bendale, and Dorset Park still rely on the original clay sewer laterals laid when the streets were first developed, and decades of freeze-thaw cycles and shifting soil have left plenty of these lines with cracks or open joints that invite roots. When a lateral in one of these areas starts to fail, the damage is often concentrated near mature trees along the property line.
Closer to the Bluffs and the Highland Creek valley, groundwater levels can rise noticeably after wet seasons, putting extra pressure on already-weakened pipe. We take this groundwater factor into account when recommending a repair method for homes in Guildwood, Cliffside, and West Hill.
Why Choose Scarborough Plumbing
Diagnosis before recommendation
We confirm the exact location and cause of a sewer problem with a camera before proposing any repair, so the work targets the real issue.
Familiar with aging materials
Clay and cast-iron laterals behave differently than modern PVC, and we adjust our repair approach to suit whichever material is in your home.
Minimizing disruption
Where the damage allows, we favour targeted repair methods that limit how much of the yard or driveway needs to be disturbed.
Clear options explained
We walk through the available repair methods and what each involves so you can make an informed decision for your property.
Sewer Repair FAQs
How do I know if I need a repair or a full replacement?
A camera inspection is the best way to tell, since it shows whether the damage is isolated to a short section or spread across most of the line.
Can tree roots really crack a sewer pipe?
Roots typically enter through existing cracks or joints rather than breaking solid pipe, but once inside they can widen the opening considerably.
Will repairing my sewer line disturb my yard or driveway?
It depends on the repair method and the location of the damage; some repairs need only a small access point while others require a longer excavated trench.
How long does a typical sewer repair take?
Timing varies with the extent of the damage and repair method chosen, and we outline an estimated timeline once we've completed the camera inspection.
Do you check the rest of the line during a repair?
Yes, we camera-inspect the full accessible length so we can flag any other developing issues while we're already on site.
Related Services
Questions? Call (647) 249-7335 or send the form below.