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25yr+ | BBB A+ | 25-Yr Warranty
437-545-0067
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Professional waterproofing services
$3,400 REBATE AVAILABLE

Retaining Wall Waterproofing Toronto

Protect Your Landscape Walls & Foundation from Water Damage

25
Years in Business
Established 1999
15,000+
Projects Completed
Greater Toronto Area
100%
Licensed & Insured
WSIB Coverage
24/7
Emergency Response
Same Day Service
BBB Accredited A+
Licensed by City of Toronto
$5M Liability Insurance
WSIB Cleared
HomeStars Verified
Google Verified Business

Retaining wall waterproofing in Toronto costs $15–$30 per square foot including drainage mat, waterproof membrane, and weeping tile — prevents hydrostatic pressure buildup that causes wall failure.

BASEMENT PROBLEM ASSESSMENT

Identify your basement issue below. Each problem requires different solutions and urgency levels.

EXPERIENCING FLOODING RIGHT NOW?

Our emergency response team is available 24/7 for immediate water removal

CALL EMERGENCY LINE: 437-545-0067
EMERGENCY 24-48 HOURS
STANDING WATER

STANDING WATER

Est. Cost: $5,000 - $15,000

What You See:

  • Puddles on basement floor
  • Water seeping through walls
  • Wet spots after rain
  • Visible water streams

Common Causes:

  • Hydrostatic pressure
  • Foundation cracks
  • Poor drainage
  • High water table

IMMEDIATE WATERPROOFING REQUIRED

Professional diagnosis required

HIGH PRIORITY 1-2 WEEKS
FOUNDATION CRACKS

FOUNDATION CRACKS

Est. Cost: $500 - $5,000

What You See:

  • Visible cracks in walls
  • Stair-step cracks in blocks
  • Horizontal cracks
  • Widening gaps over time

Common Causes:

  • Settling foundation
  • Frost damage
  • Water pressure
  • Soil movement

CRACK INJECTION & REINFORCEMENT

Professional diagnosis required

HEALTH HAZARD 3-5 DAYS
MOLD & MILDEW

MOLD & MILDEW

Est. Cost: $2,000 - $8,000

What You See:

  • Black or green spots
  • Musty odors
  • Allergic reactions
  • Peeling paint

Common Causes:

  • High humidity (>60%)
  • Poor ventilation
  • Water leaks
  • Condensation

MOLD REMEDIATION & MOISTURE CONTROL

Professional diagnosis required

MODERATE 2-4 WEEKS
EFFLORESCENCE

EFFLORESCENCE

Est. Cost: $3,000 - $10,000

What You See:

  • White powdery deposits
  • Salt crystals on walls
  • Chalky residue
  • Staining on concrete

Common Causes:

  • Water moving through walls
  • Mineral deposits
  • Poor waterproofing
  • Moisture penetration

WATERPROOFING TREATMENT

Professional diagnosis required

PREVENTIVE 1-2 WEEKS
DAMPNESS & HUMIDITY

DAMPNESS & HUMIDITY

Est. Cost: $1,500 - $4,000

What You See:

  • Condensation on windows
  • Damp walls
  • Musty smell
  • Warped wood

Common Causes:

  • Poor ventilation
  • Groundwater seepage
  • Inadequate vapor barrier
  • Plumbing leaks

DEHUMIDIFICATION SYSTEM

Professional diagnosis required

EMERGENCY IMMEDIATE
BOWING WALLS

BOWING WALLS

Est. Cost: $10,000 - $30,000

What You See:

  • Walls curving inward
  • Horizontal cracks
  • Gaps at floor/ceiling
  • Doors not closing

Common Causes:

  • Hydrostatic pressure
  • Frost pressure
  • Expansive soil
  • Poor drainage

WALL ANCHORS OR REBUILD

Professional diagnosis required

NOT SURE WHICH PROBLEM YOU HAVE?

Our certified inspectors will diagnose your basement issues for FREE

Why Toronto Landscape Walls Need Professional Moisture Control

Toronto's clay soil, freeze-thaw cycles, and heavy rainfall create unique challenges for protective wall stability and structural protection.

The Landscape Wall Water Challenge

1

Hydrostatic Pressure Buildup

Water trapped behind protective walls creates enormous pressure that causes structural failure and threatens nearby building supports.

2

Clay Soil Expansion

Local clay soil expands dramatically when wet, increasing pressure against protective walls and redirecting water flow.

3

Freeze-Thaw Cycles

Water trapped in wall systems freezes and expands, causing cracks and structural damage that compromise building support protection.

4

Structure Water Redirection

Failed protective wall water management often directs water toward home structures, causing lower-level flooding and structural damage.

Professional Moisture Control Solution

Hydrostatic pressure reduction: Up to 95%
Wall lifespan extension: 25-40 years
Structure protection: Complete
Drainage capacity: 5" per hour

Engineering Fact: Proper protective wall moisture control can prevent 95% of wall failures while protecting your home's structure.

Our Process

From inspection to installation, we handle every step professionally

01

Free Inspection

Certified experts assess your property to identify water issues and recommend solutions.

No Obligation Same Day Booking
02

Detailed Quote

Comprehensive quote with multiple options, financing, and applicable government rebates.

Transparent Pricing Within 24 Hours
03

Professional Installation

Licensed team completes work with minimal disruption. Full cleanup included.

Fully Insured 1-5 Days Typical
04

Warranty & Support

25-year transferable warranty with ongoing maintenance and support.

25 Year Warranty Lifetime Support

Our Process Guarantee

Every project follows our proven 4-step process with complete transparency, professional execution, and our industry-leading 25-year warranty.

Complete Protective Wall Sealing Solutions

Comprehensive systems that protect both your landscape walls and your home's structure.

Membrane Sealing

High-performance moisture barriers applied to protective wall surfaces to prevent water penetration.

  • Rubberized asphalt membrane
  • Self-adhesive application
  • Seamless protection

Water Management Systems

Comprehensive runoff control solutions to manage hydrostatic pressure and protect structures.

  • Perforated drain pipes
  • Graded stone backfill
  • Filter fabric systems

Structure Integration

Seamless integration with existing building support moisture control systems for complete protection.

  • Structure system connection
  • Weeping tile integration
  • Sump pump coordination

Structural Reinforcement

Repair and reinforce existing walls before sealing to ensure long-term stability.

  • Crack repair and sealing
  • Structural stabilization
  • Engineering compliance

Protection Systems

Multi-layer protection systems to shield moisture control membranes from damage during backfill.

  • Protection board installation
  • Impact resistance
  • Long-term durability

Quality Monitoring

Comprehensive testing and monitoring to ensure optimal performance and structural protection.

  • Pressure testing
  • Water management flow verification
  • Performance monitoring

Project Cost Calculator

Instant estimates with Toronto subsidy eligibility (up to $3,400)

ft
ft

Waterproofing Systems

Toronto Basement Flooding Protection Subsidy Program

City of Toronto provides financial assistance for approved waterproofing installations

$1,750

Sump Pump Installation

Maximum subsidy amount

$1,250

Backwater Valve

Maximum subsidy amount

$400

Drain Severance

Maximum subsidy amount

ELIGIBILITY: Property must have experienced basement flooding or sewage backup. Licensed contractor required. We handle all paperwork and applications.

Completed Projects

Real waterproofing solutions for Greater Toronto Area homes

NORTH YORK BASEMENT WATERPROOFING

NOVEMBER 2024 5 DAYS
Before waterproofing: Severe water infiltration and mold growth - NORTH YORK BASEMENT WATERPROOFING
BEFORE
After waterproofing: Complete exterior waterproofing with French drain completed - NORTH YORK BASEMENT WATERPROOFING
AFTER
DRAG

Problem Identified

Severe water infiltration and mold growth

Solution Implemented

Complete exterior waterproofing with French drain

Project Cost

$12,500

Get Quote

SCARBOROUGH FOUNDATION REPAIR

OCTOBER 2024 3 DAYS
Before waterproofing: Foundation cracks and basement flooding - SCARBOROUGH FOUNDATION REPAIR
BEFORE
After waterproofing: Crack injection and interior waterproofing system completed - SCARBOROUGH FOUNDATION REPAIR
AFTER
DRAG

Problem Identified

Foundation cracks and basement flooding

Solution Implemented

Crack injection and interior waterproofing system

Project Cost

$8,200

Get Quote

MISSISSAUGA EMERGENCY WATER REMOVAL

SEPTEMBER 2024 24 HOURS + 4 DAYS
Before waterproofing: Flooded basement after heavy rainfall - MISSISSAUGA EMERGENCY WATER REMOVAL
BEFORE
After waterproofing: Emergency pumping and waterproofing installation completed - MISSISSAUGA EMERGENCY WATER REMOVAL
AFTER
DRAG

Problem Identified

Flooded basement after heavy rainfall

Solution Implemented

Emergency pumping and waterproofing installation

Project Cost

$15,000

Get Quote

Have a Similar Problem?

Get your free inspection and professional quote today

Why Choose Dryspace

Compare our services to other waterproofing contractors

Service Features
DRYSPACE
RECOMMENDED
Other Companies
Lifetime Transferable Warranty YES Limited
24/7 Emergency Response YES NO
Free Detailed Inspection YES YES
Price Match Guarantee YES NO
Insurance Claim Assistance YES Extra Fee
Licensed & Insured YES YES
Response Time < 60 MIN 2-4 hours
Years in Business 25+ YEARS Varies
Financing Options YES Limited
Follow-up Service YES NO
Lifetime Protection

Our warranty transfers to new homeowners, protecting your investment

Rapid Response

Emergency team on standby 24/7 with less than 60 minute response time

5-Star Service

Delivering 5-star service since 1999

Guaranteed Work

We stand behind our work with comprehensive guarantees

Our Promise to You

We protect homes and families with transparent pricing, expert technicians, and a commitment to excellence. Your basement stays dry for life - guaranteed.

Customer Reviews

Verified testimonials from Greater Toronto Area homeowners

Google Verified

GTA Homeowners

Emergency Waterproofing

Verified

"After spring flooding, Dryspace responded within 2 hours. Their team was professional, thorough, and the 25-year warranty gives us peace of mind."

Sarah Chen

Toronto November 2024

Exterior Waterproofing

Verified

"They helped us get the maximum government rebate and handled all the paperwork. Saved us over $3,400 on our exterior waterproofing project!"

Michael Rodriguez

Mississauga October 2024

Foundation Repair

Verified

"Professional from start to finish. The crew was respectful of our property, cleaned up daily, and finished on schedule. Highly recommend!"

Jennifer Park

Vaughan October 2024

Sump Pump Installation

Verified

"Our basement has been dry for 3 years now. The sump pump system they installed works flawlessly, even during heavy storms."

David Thompson

Markham September 2024

Interior Waterproofing

Verified

"Best decision we made for our home. The interior waterproofing solution was less invasive than expected and works perfectly."

Lisa Anderson

Brampton September 2024

Foundation Crack Repair

Verified

"Fair pricing, excellent communication, and quality work. They fixed foundation cracks that two other companies said needed major work."

Robert Kim

North York August 2024

Frequently Asked Questions

Everything you need to know about basement waterproofing in Toronto

Need Immediate Help?

Our waterproofing experts are standing by

CALL NOW: 437-545-0067
24/7 Emergency Service

Free Resources

Thousands of

Happy Customers

25+ Years

Serving the GTA

Protect Your Landscape Walls & Structure

Don't let failing protective walls threaten your building support. Get expert sealing that protects both your landscape and your home.

Structural & sealing expertise • 25-year warranty • Licensed & insured • Structure protection guaranteed

Get Your Free Inspection

Schedule your comprehensive basement inspection today. Our certified experts will assess your needs and provide a detailed solution.

Quick Response

Same-day inspections available

No Obligation

Free inspection & quote

Expert Analysis

25+ years of experience

Direct Contact

Business Hours

Monday - Friday 7:00 AM - 8:00 PM
Saturday 8:00 AM - 6:00 PM
Sunday Emergency Only

24/7 Emergency Service Available

Emergency Call Free Inspection