MAMBA DRAINAGE SERVICES
Drain Tile Repair Vancouver
Wet basement every November? Standing water at the foundation? Your perimeter drain (drain tile) is failing. We camera-scope it, jet what we can, and dig and replace what we can't.
Drain tile inspection, jet cleaning, spot repair, full perimeter replacement. Vancouver, Burnaby, Richmond, New West, Surrey, Delta. Call (778) 961-0824.
What Drain Tile Does and How It Fails
Drain tile – also called perimeter drain or weeping tile – is the 4″ perforated pipe buried at the footing depth around your foundation. Its job is simple: catch groundwater before it reaches the foundation wall, route it to the sump pit (or daylight), and keep your basement dry. When it works, you don’t think about it. When it fails, your basement floods every atmospheric river.
Three failure modes dominate in Vancouver:
Clay tile collapse – in homes built before 1970 (most of Hastings-Sunrise, Strathcona, Grandview-Woodland, parts of Mount Pleasant) the original drain tile is clay sections with bell-and-spigot joints. The joints crack with frost heave and root pressure, sections offset, eventually a length collapses and dirt fills the line.
Root intrusion – the bell-and-spigot joints in clay tile (and even the perforations in newer black plastic pipe) are root magnets. Cedar, maple, and willow within 15 feet of foundation will eventually find the seams. Once roots are inside, they expand, capture sediment, and block flow.
Sediment and silt buildup – even structurally sound drain tile silts up over decades. Fine sand and clay washes through the perforations and accumulates in the pipe interior, reducing flow capacity. Hydrojet flush restores capacity without excavation.
We camera-scope before recommending any direction. The footage shows you the failure mode and lets you decide whether jet cleaning, spot repair, or full perimeter replacement is the right next step.
Camera Inspection Before Any Drain Tile Work
The fastest way to waste $20,000 on drainage work is to start digging without knowing what’s wrong. Some contractors will quote a full perimeter replacement before they’ve put a camera in the pipe.
Our first step is always a camera scope of the drain tile from the corner cleanout (or the cleanout under the sump pit if no corner access exists). We run a Spartan Tool SeeSnake with HD camera head and on-screen distance counter all the way around the perimeter. The recording shows you exactly where the failures are – by distance from the cleanout – so you can decide on scope.
What we look for: pipe condition (clay vs. plastic), root intrusion, offset joints, bellies (sagging sections), collapses, and infill. We mark above-ground location of each major fault with paint, so if excavation is needed, we dig only where the issue is.
Typical scope-only visit: $229-$389. Credited to repair work if you proceed with us. The footage and report are yours either way – if you want a second opinion on the repair quote, take the video to another contractor.
Hydrojet, Spot Repair, or Full Replacement
Once we know the failure mode, we recommend the cheapest fix that actually solves the problem.
Hydrojet flush works when the pipe is structurally sound but silted, scaled, or has fine root infiltration. We push a 4,000 PSI / 18 GPM hydrojetter through the perimeter, scrub the pipe walls back to bare plastic or clay, then re-scope to verify flow restored. Cost: $749-$1,489 depending on perimeter length and access. Buys three to seven years before next service in most cases.
Spot repair works when one or two sections have offset or collapsed but the rest of the perimeter is intact. We excavate only where the failure is, cut out the bad section, install new ADS or Big-O perforated pipe with rigid couplings, backfill with 3/4″-clear drain rock and filter sock, and restore the surface. Typical spot repair: $1,800-$4,500 per section.
Full perimeter replacement is the right call when clay tile is failing systemically or the existing pipe is undersized for current rainfall loads. We excavate around the entire foundation, remove the old tile, install new 4″ perforated HDPE pipe with sock filter, drain rock bed, drainage membrane against the foundation, and tie everything into the sump pit. Typical full replacement on a 1,500-2,500 sq ft Vancouver lot: $14,500-$32,000.
Drain Tile Services We Offer
Drain Tile Camera Inspection
HD Spartan SeeSnake camera through the perimeter cleanout. Distance-counter footage marking every failure. Above-ground location of major faults marked with paint. MP4 + written report same day. $229-$389 standalone, credited to repair if proceeding.
Drain Tile Hydrojet Cleaning
4,000 PSI / 18 GPM jet through the perimeter to scrub pipe walls back to bare. Works on structurally sound but silted, scaled, or root-infiltrated tile. Before-and-after camera verification included. $749-$1,489 depending on length and access.
Drain Tile Spot Repair
Excavation only where the camera identified failure. Cut out failed section, install ADS or Big-O perforated pipe with rigid couplings, 3/4″-clear drain rock bed, filter sock. Backfill and restoration included. $1,800-$4,500 per spot.
Full Perimeter Drain Replacement
Excavate around full foundation, remove old clay tile, install new 4″ perforated HDPE with sock, drain rock bed, drainage membrane on foundation. Tie-in to sump pit. Typical 1,500-2,500 sq ft Vancouver lot: $14,500-$32,000.
Drain Tile Inspection for Buyers
Pre-purchase scope service for buyers. Camera, written report, MP4 – useful for offer negotiation in pre-1980 Vancouver homes where drain tile is the buyer’s blind spot. Same-day and weekend appointments for time-pressured deals. $229-$389.
Drain Tile Tie-In Repair
If your drain tile dumps to a failed sump system or a broken discharge line, the perimeter can be perfect and your basement still floods. We diagnose the entire system – tile, pit, pump, discharge – and fix the weakest link. See also sump pump installation.
Why Vancouver Homeowners Choose Mamba for Drain Tile
Camera Before Excavation - Always
We don’t quote excavation until we’ve put a camera in the pipe. Half the “your drain tile is shot, you need full replacement” quotes other contractors give in East Van end up being solvable with a $1,200 hydrojet plus one $3,500 spot repair.
Pre-1970 Clay Tile Specialists
Most of our work is on pre-1970 clay-tile drainage in Strathcona, Hastings-Sunrise, Grandview-Woodland, and Mount Pleasant. We know which builds used what tile diameter, where the bell-and-spigot joints typically fail, and which lots have shallow setbacks limiting excavation access.
Drainage Membrane + Drain Rock Done Right
Every full replacement includes Platon or DMX dimpled drainage membrane against the foundation, 3/4″-clear drain rock minimum 12″ above the pipe, and filter sock on the pipe itself. Skipping any of these is why some replacement jobs fail within 5 years.
Restoration Included in Quote
Backfill, soil compaction, sod re-laid (or seed if preferred), shrubs replanted where possible, patio block restored. The yard looks like a yard, not a construction site, when we leave. 86 Google reviews, 4.9 stars.
Vancouver Drain Tile Repair Price Ranges
Recent Vancouver brackets:
Drain tile camera inspection: $229-$389 with HD footage and written report.
Drain tile hydrojet (full perimeter flush): $749-$1,489 with before-and-after camera verification.
Spot repair (single section, 6-12 feet): $1,800-$4,500 with backfill and surface restoration.
Two-spot repair package: $3,200-$7,200.
Full perimeter replacement (1,500-2,500 sq ft typical Vancouver lot): $14,500-$32,000 including new pipe, drain rock, filter sock, drainage membrane, sump tie-in, and landscape restoration.
Larger lots / heritage homes with restricted access: $24,000-$48,000.
Add-on: City of Vancouver permit + inspection (for full replacement): $300-$650 included in quote, no separate line.
We don’t quote replacement without a camera scope first. The scope cost is credited to the repair if you proceed.
Wet basement in November is failed drain tile in October. Scope it before the rain.
9 Drain Tile Tips for Vancouver Homes
- Get a camera scope before you let anyone dig. The $300 scope is the cheapest insurance against a $30,000 unnecessary excavation. Every reputable Vancouver drainage contractor scopes first.
- If your home is pre-1970 and you’ve never had drain tile work done, scope it now. Don’t wait for the first wet-basement Saturday in November. Clay tile is at end-of-life across most of East Van.
- Hydrojet flush every 5-7 years. Even sound drain tile silts up. A $1,200 jet every five years prevents a $20,000 emergency in year fifteen.
- Watch the foundation perimeter after heavy rain. Pooling water within 3 feet of the house = drain tile or perimeter grading issue. Both fixable, but only if you catch them early.
- Plant trees at least 15 feet from the foundation. Cedar, maple, and willow roots will find drain tile within 8-12 years if planted closer. If trees are already too close, plan for jet flush every 3-4 years instead.
- If your sump pump runs constantly in the wet season, your drain tile is probably working. If it never runs even during atmospheric rivers, that’s not good news – tile is likely clogged and water is bypassing the pit. Sump pump service and drain tile scope together.
- Don’t pour soil up against the foundation when landscaping. Grade should slope away from the house at 5%. Soil mounded against the foundation defeats the perimeter drain.
- If you finish your basement, scope drain tile first. A $300 scope before you spend $80,000 on a basement reno can save you from finishing a wet basement.
- Keep the cleanout cap on tight. Open or loose cleanout caps let sediment, leaves, and small animals enter the drain tile. We see this in 1 in 5 inspections.
Frequently Asked Questions
Drain tile (also called perimeter drain or weeping tile) is the 4″ perforated pipe at the footing level around your foundation. It catches groundwater before it reaches the wall and routes it to the sump pit. In Vancouver’s 1,189 mm/year rainfall climate, drain tile is the single most important system keeping your basement dry.
Common signs: wet basement walls in November, standing water near the foundation after heavy rain, persistent musty smell in the basement, efflorescence (white salt deposits) on concrete walls, sump pump that never runs during atmospheric rivers. Any of these is reason to scope.
Often it can be jet-cleaned. We hydrojet at 4,000 PSI to scrub silted or root-infiltrated pipe back to bare. Works on structurally sound tile. Only collapsed, severely offset, or pre-1970 clay tile usually needs full replacement.
Typical 1,500-2,500 sq ft Vancouver lot: 5-9 working days from excavation start to landscape restoration. We work in sections so the entire perimeter is never open at once. City inspection happens before backfill.
Yes – City of Vancouver (and most Greater Vancouver municipalities) require a plumbing permit for drain tile work. We pull the permit, schedule the rough and final inspections, and produce a stamped certificate of work for your insurance file.
Lawn and shrubs within 8-10 feet of the foundation will be excavated. We restore lawn with sod (or seed if preferred), replant shrubs where root systems allow, restore patio block / paver edging, and re-grade. Mature trees within 10 feet may need root pruning or removal – we discuss before the job starts.
Drain rock is 3/4″-clear angular gravel. It surrounds the perforated pipe and creates the void space groundwater flows through to reach the pipe. Skipping or under-sizing drain rock is the #1 reason replacement jobs fail prematurely. We use minimum 12″ above the pipe, wrapped in filter fabric to prevent silt migration.
Some Vancouver properties have a storm sewer connection from the property line. We can tie the drain tile system into that connection through the sump pit and pump. For older properties without storm connection, discharge is to daylight at least 10 feet from foundation. Never to sanitary sewer – code violation.
Camera scope every 7-10 years for early detection. Hydrojet flush every 5-7 years if there are trees nearby or you’ve seen any drainage issues. Pre-1970 clay tile homes: scope every 5 years; replacement should be planned for the 60-80 year mark.
THE UTMOST QUALITY AND PROFESSIONALISM, 24/7
QUALITY IS OUR GAME
Mamba Drainage strives to deliver excellence one client at a time by upholding our core values throughout our services. We believe honest and meaningful work creates and sustains the foundation for exceptional client relations.