
Perimeter Drain Replacement: Full System or Targeted Repairs
Perimeter Drain Tile Repair , Langley BC
Protect your foundation, keep your basement dry.
How Perimeter Drain Tile Protects Your Home
Perimeter drain tile runs around the footing of your building and carries ground water away from the foundation. When it clogs, collapses or shifts, water builds up against your walls and creates hydrostatic pressure.
When symptoms arise it is important to address the system with an inspection.
At Mainline Drainage Ltd, we inspect the system, find exactly if and where it has failed to build a repair plan you're happy with.
The goal is to protect your largest investment, your home.
Common Signs Your Drain Tile Needs Repair
Watch for these warning signs. Even one can point to a failure or issue within the perimeter drain system.
Wet or Damp Basements
Musty odours and damp walls or floors signal constant moisture around the foundation.
Water seeping in at the floor edges or walls shows ground water is not being carried away.
Cracks or Chalking in the Foundation
Water pressure and soil movement can open cracks that let more moisture in.
Hydrostatic Pressure
Saturated soil push against walls and floors, forcing water through any weak point.
Pooling in the Yard
Standing or overwhelmed areas of water near the house means drainage is blocked or the tiles no longer connect to take it away.
You Can Repair Drain Tile in Sections
You do not always need to dig up and replace the entire perimeter. After a camera inspection and testing, we can typically spot repair the failed sections and tie them into the sound tile that is still working. We will also let you know what to plan for in the coming seasons.
- Integrity stays intact: new sections are properly sloped, bedded in clean gravel and connected to the existing system.
- More affordable: less excavation, less labour.
- Less disruption: shorter projects and smaller work areas around your property.
- Flexible phasing: spread the work over time while the most urgent areas are fixed first.
Common repair solutions include soil composition improvements, gravel and aggregate installation, pipe replacement or system reconfigurations.


