Fraser Valley, BC
Foundation Crack Repair in Langley
Foundation crack repair, basement waterproofing, and perimeter drain replacement in Langley BC. Licensed, insured, free inspections. Serving Walnut Grove, Willoughby, Brookswood, and the Fraser Valley.
Know What You Have
Types of Foundation Damage in Langley
The crack type tells you the cause. The cause tells you the fix. Here is what we see most often in Langley homes and what each one means.
Vertical Cracks
Run straight up and down the wall. Usually from concrete shrinkage during the original cure or minor settlement over time. Most vertical cracks under 6 mm with no active moisture are not structural. Foundation crack injection stops the water and seals the crack permanently.
Horizontal Cracks
Run side to side across the wall. This is the crack that gets our full attention. Horizontal cracks mean lateral soil pressure is pushing against the foundation. Fraser Valley clay expands significantly when saturated. Left alone, the wall can bow inward. Carbon fibre straps installed as part of bowed basement wall repair stop the movement.
Diagonal and Corner Cracks
Run at an angle, often from window or door corners. Typically caused by differential settlement where one section of the footing moves more than another. Common in homes built on filled ground, which includes many of Willoughby's newer subdivisions. Severity depends on width and whether they are growing.
Stair-Step Cracks
Follow the mortar joints in a stair-step pattern. Found in older block or brick foundations, which are common in older Langley City and Fort Langley homes built before the 1980s. Usually caused by frost heave or settlement. The mortar fails before the block does. Repair involves repointing and in some cases carbon fibre reinforcement.
Bowing or Leaning Walls
The wall has moved inward at the middle. This is active structural movement, not just a crack. Most common where clay soils have been saturated for extended periods. In the Fraser Valley, that is most winters. Carbon fibre straps can stabilise a wall that has moved less than 2 inches. More movement usually means wall anchors or full excavation.
White Staining (Efflorescence)
White or grey powder on concrete walls. Not a crack you can see, but a sign that water is moving through the wall and depositing minerals on its way. The crack or pore is there even if invisible. Efflorescence that keeps coming back usually points to a drainage problem — basement waterproofing or perimeter drain replacement — rather than a cosmetic fix.
Not sure what you have? Call us and describe it. We can usually tell you over the phone whether it warrants a visit.
Root Causes
What Causes Foundation Damage in Langley?
Langley foundations fail for three compounding reasons: the soil chemistry, the climate cycle, and the water table. Understanding which factor is driving your crack determines the correct repair.
Fraser Valley Clay and Glacial Sediment
The lower Fraser Valley sits on clay-rich glaciomarine soils deposited over 10,000 years. This clay expands significantly when saturated and contracts as it dries — a cycle that repeats every wet season. Langley averages roughly 1,500mm of rainfall per year, concentrated October through April. That constant expansion and contraction exerts cyclic lateral pressure on foundation walls that compounds year over year. Most horizontal cracks in Langley homes trace directly to this mechanism.
Freeze-Thaw Cycles from October to March
Water that works its way into a hairline crack in autumn will freeze when temperatures drop. Ice expands by roughly 9% in volume, forcing the crack wider. When it thaws, water penetrates deeper before freezing again. By spring, a crack that was 1mm in October can be 4–5mm. Five winters of this is why small Langley cracks become expensive ones — see our guide to foundation crack repair cost in Langley for what early versus late repairs actually run.
High Water Table Near the Fraser River Corridor
Homes in lower-lying Langley — the Langley City core along the Nicomekl floodplain and properties near the Salmon River — sit on a water table that can be within 1–2 metres of the surface during wet months. Hydrostatic pressure from groundwater pushes continuously against the exterior of the foundation, and most older foundations here were built without modern waterproofing membranes. When the pressure is from below rather than through a wall crack, interior drain tile with a properly sized sump is usually the durable fix.
Our Services
Foundation & Waterproofing Services
Langley Foundation Repair handles every foundation & waterproofing problem in Langley and the surrounding area.
Foundation Crack Injection
Polyurethane and epoxy injection that permanently seals leaking foundation cracks from the inside, no excavation, most cracks repaired in under half a day.
Learn More →Basement Waterproofing
Interior and exterior waterproofing built for Fraser Valley rainfall, from damp-wall diagnosis to full perimeter solutions that keep Langley basements dry year-round.
Learn More →Perimeter Drain Replacement
Replacement of failed weeping tile and perimeter drains, the most common cause of wet basements in Langley homes built before the 1990s.
Learn More →Interior Drain Tile
Interior drainage with a properly sized sump that captures water at the footing and removes it before it reaches your basement floor, the right fix when exterior excavation isn't practical.
Learn More →Bowed Basement Wall Repair
Carbon fibre reinforcement and wall stabilization for foundation walls bowing under lateral soil pressure, stops movement before it becomes structural failure.
Learn More →Crawl Space Moisture Control
Vapour barriers, drainage, and ventilation correction for damp Langley crawl spaces, stops the moisture, odour, and rot that travel up into living areas.
Learn More →Well Pump Repair
Diagnosis and repair for failed or failing well pumps, pressure tanks, and pitless adapters. We restore water pressure and flow to Langley-area properties on private well systems.
Learn More →Roof Leak Repair
Targeted roof leak diagnosis and repair, from flashing failures to torch-on membrane seams, that stops water intrusion without the cost of a full re-roof.
Learn More →Customer Reviews
What Our Clients Say
Real results from real homeowners across Langley and the surrounding area.
"Noticed a damp line down the basement wall after the November rains. They inspected, showed me the crack with a flashlight, explained polyurethane vs epoxy, and injected it the same week. Charged exactly what the written quote said. Wall has been dry through two atmospheric rivers since."
"Our 1978 house in Brookswood had water coming up at the floor-wall joint every winter. Camera inspection showed the original perimeter drain was full of roots and sediment. They replaced the worst section and added an interior drain tile run with a sump. First dry winter in years."
"Got three quotes for a leaking crack under the front window. One company wanted to excavate the whole wall. These guys looked at it and said it's a single shrinkage crack — injection, done in two hours, a tenth of the price. Appreciated not being upsold."
"Basement wall was bowing in our Murrayville home — previous owner had shelving hiding it. They measured the deflection, installed carbon fibre straps, and explained the monitoring plan. Clean job site, and they showed me photos of every step."
"Crawl space under our Fort Langley house smelled musty every spring. They found standing water and a shredded vapour barrier. New barrier, proper drainage at the low corner, and the smell upstairs is gone. Should have dealt with it years ago."
Our Process
How We Handle Your Foundation & Waterproofing
A clear, no-surprise process from first call to final inspection.
Free On-Site Assessment
We come to you. An experienced technician inspects your foundation, identifies the root cause, and explains every option — no pressure, no upselling.
Written Estimate
You receive a detailed written quote with fixed pricing. No surprise charges on completion day.
Professional Repair
Work is completed using commercial-grade materials and proven repair methods. Your technician will give you a realistic timeline before starting.
Completion
Work is inspected before the crew leaves. Ask your technician about warranty options on the repair method used.
FAQ
Frequently Asked Questions
How much does foundation crack repair cost in Langley BC?
Most single-crack polyurethane injections in Langley run $450–$900 per crack depending on length, width, and access. Multiple cracks repaired in one visit cost less per crack. Structural repairs with carbon fibre reinforcement are quoted per project, typically $800–$1,500 per strap. You get a written quote with exact pricing after a free inspection — we publish ranges because guessing games waste your time.
Is a leaking foundation crack serious?
A hairline vertical crack that weeps during heavy rain is common in poured concrete foundations and is usually sealable with injection — not a structural emergency. Horizontal cracks, stair-step cracks in block walls, or any crack wider than 6mm deserve prompt professional assessment because they can indicate lateral soil pressure or settlement. The honest answer: most Langley cracks we inspect are repairable for under $1,000, and catching them early keeps it that way.
What is the difference between crack injection and exterior excavation?
Injection seals the crack from inside using polyurethane (flexible, waterproof) or epoxy (structural) — no digging, done in hours, and permanent for the injected crack. Exterior excavation exposes the foundation wall to install membranes and drainage — the right call when the problem is widespread wall seepage or failed perimeter drains rather than isolated cracks. A good inspection tells you which problem you actually have before you spend excavation money on an injection-sized problem.
Do I need a permit for foundation repair in Langley?
Crack injection and interior drainage work generally don't require permits. Structural repairs and excavation affecting the building envelope may require permits from the Township of Langley or City of Langley depending on your address and scope. We confirm permit requirements as part of the quote so there are no surprises.
Why do Langley homes get foundation cracks?
Three local factors: Fraser Valley clay-rich soils that expand when saturated and shrink in dry summers, heavy October-to-April rainfall that loads soil against foundation walls, and the age of the housing stock — much of Langley, from Brookswood's 1970s lots to Walnut Grove's 1990s subdivisions, has perimeter drains near or past their service life. Add freeze-thaw cycles and you get the vertical shrinkage cracks and seepage we see in most inspections.
Do you serve areas outside Langley?
Yes — we cover all of Langley including Walnut Grove, Willoughby, Brookswood, Murrayville, Fort Langley, and Aldergrove, plus Surrey, Abbotsford, Maple Ridge, and White Rock. Call to confirm availability for your address.
What's the difference between polyurethane and epoxy injection?
Polyurethane is flexible and expands to seal water, the right choice for wet or actively leaking cracks. Epoxy is rigid and bonds concrete back together, used for dry structural cracks where strength restoration matters. Choosing the wrong material is the most common reason DIY repairs fail within a year.
How long does foundation crack injection take?
Most interior injections take 2 to 4 hours for one to three cracks, with no cure-time wait before you can use the space again. More extensive structural work with carbon fibre reinforcement takes longer depending on the number of straps needed.
Can I fix a foundation crack myself, or do I need a professional?
DIY crack injection kits exist, and for a single hairline crack they can work. The catch is picking the right material: polyurethane for wet, actively leaking cracks, epoxy for dry structural ones. Choosing wrong is the single biggest reason DIY repairs fail within a year, and by then you're paying to redo the injection plus repair whatever water damage happened in the meantime. If the crack is wider than 6mm or the wall shows any sign of bowing, it needs a professional assessment regardless.
Looking for pricing details? See our 2026 Foundation Crack Repair Cost Guide →
Service Areas
Serving Langley & Surrounding Areas
Based in Langley, BC — we serve the following communities.
Don't see your city? Call us — we may still be able to help.
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Get Your Free Estimate
Tell us about your project and we'll be in touch to schedule a free on-site assessment.
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24/7 Emergency Service Available
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Business Hours
Mon–Sat 7am–6pm
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Service Area
Langley, Walnut Grove, Willoughby, Brookswood & surrounding BC communities
- Licensed & Insured
- Free On-Site Inspections
- Locally Operated in Langley
- Written No-Obligation Quotes
- Honest Cost Ranges Up Front