Drainage & Grading Solutions
Comprehensive Water Management Systems to Protect Your Toronto Property

Expert drainage and grading services in Toronto & GTA. French drains, catch basins, downspout systems, landscape grading. Stop water problems permanently. Call: (437) 545-0067

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⚠️ Licensed & Insured

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Why Toronto Homeowners Trust DrySpace

25+ Years in Business

12,847 Projects Completed

$5M Insurance Coverage

24/7 Emergency Response

WSIB Certified

Full workplace safety insurance coverage for all workers

CSA Approved

Canadian Standards Association certified materials & methods

ISO 9001:2015

International quality management system certification

BBB A+ Rating

Better Business Bureau accredited with highest rating

Drainage & Grading - Permanent Water Management Solutions

Poor drainage is the #1 cause of foundation problems and basement flooding. Our comprehensive drainage and grading solutions direct water away from your home, protecting your foundation and creating usable outdoor space.

Signs You Need Drainage Solutions

Foundation & Basement Issues

Water in basement after rain
Foundation cracks from hydrostatic pressure
Efflorescence on basement walls
Musty basement odors

Yard Problems

Standing water/soggy lawn
Erosion and washouts
Ice buildup in winter
Dead grass from oversaturation
Mosquito breeding areas

Structural Concerns

Settling walkways/driveways
Retaining wall failure
Deck/patio water damage
Garage flooding

Our Drainage Services

Surface Drainage

French Drains

Perimeter foundation drains
Yard drainage systems
Driveway channel drains
Window well drains

Catch Basins & Dry Wells

Storm water collection
Proper sizing and placement
Connection to storm sewers
Overflow management

Swales & Berms

Natural water diversion
Erosion prevention
Landscape integration
Low maintenance design

Downspout & Gutter Systems

Extensions: 10+ feet from foundation
Underground Drainage: Hidden downspout connections
Rain Barrels: Water conservation
Splash Blocks: Prevent erosion

Grading Solutions

Positive Grading

6" drop in first 10 feet
Proper slope away from home
Fill low spots and depressions
Maintain landscaping aesthetics

Regrading Services

Remove negative slopes
Build up foundation perimeter
Create drainage paths
Sod or seed restoration

Specialized Drainage Solutions

Basement Window Wells

Proper sizing and depth
Gravel drainage base
Well covers and grates
Connected to weeping tile

Driveway Drainage

Trench drains
Permeable pavers
Proper slope design
Heated drain options

Backyard Water Management

Sump pump discharge lines
Pool deck drainage
Patio water diversion
Garden bed protection

The Drainage Design Process

1. Site Assessment

Topographical analysis
Water flow patterns
Soil percolation testing
Existing system evaluation

2. Custom Design

CAD drainage plans
Capacity calculations
Integration with landscaping
Municipal compliance

3. Professional Installation

Minimal landscape disruption
Proper pipe sizing and slope
Quality materials
Clean, filtered connections

4. System Testing

Flow rate verification
Connection inspections
Stress testing
Final grading check

Drainage System Components

Pipes & Materials

PVC Drain Pipe: Smooth interior, high flow
Corrugated Pipe: Flexible installation
Perforated Pipe: Water collection
Solid Pipe: Water transport

Drainage Aggregate

Clear Stone: Around perforated pipes
Filter Fabric: Prevents clogging
Pea Gravel: Window wells
River Rock: Decorative drainage

Investment & ROI

Typical Project Costs

Basic Yard Drainage: $2,000-$5,000
Foundation Drainage: $5,000-$15,000
Complete Regrading: $3,000-$8,000
Downspout System: $1,500-$3,500

Return on Investment

Prevent $20,000+ foundation repairs
Eliminate basement flooding damage
Increase property value
Lower insurance premiums
Create usable yard space

Why Choose DrySpace?

✓ Comprehensive Solutions

Address root causes, not just symptoms

✓ 25+ Years Experience

Experts in GTA soil and climate conditions

✓ Engineered Designs

Proper sizing and slope calculations

✓ Quality Materials

Commercial-grade components

✓ Lifetime Warranty

On foundation drainage systems

Seasonal Considerations

Spring

Snow melt management
Catch basin cleaning
System inspection
Erosion repair

Summer

Heavy rain preparation
Drought-resistant design
Irrigation integration
Landscape coordination

Fall

Leaf guard installation
Gutter cleaning
Winter prep
Final grading touch-ups

Winter

Frozen drain prevention
Ice dam solutions
Snow melt routing
Emergency thawing

Municipal Compliance

We ensure all drainage work meets local codes:

Proper setbacks
Storm sewer connections
Grading permits
Environmental protection

Maintenance Programs

Annual Inspection

System functionality check
Cleaning and flush
Minor adjustments
Preventive repairs

Emergency Service

24/7 flood response
Drain clearing
Pump repairs
Temporary solutions

Get Your Free Drainage Assessment

Stop water problems at the source with professional drainage solutions.

📞 Call Now: (437) 545-0067

✉️ Email: drainage@dryspacewaterproofing.ca

Spring Special: Free sump pump with complete drainage system installation

Related Services

Complete Solutions for Your Basement

Since we're already working on your basement, consider these complementary services that save time and money when done together.

The Science of Water Management in the GTA

Effective drainage in Toronto requires understanding our unique geography and climate. The GTA sits on a complex mix of clay soils, sand deposits from ancient Lake Iroquois, and varying bedrock depths. This geological diversity means drainage solutions must be customized for each property. Our region receives an average of 831mm of precipitation annually, but it’s the intensity that matters – summer storms can dump 50mm in an hour, while spring snowmelt can release months of accumulated water in days.

Modern Toronto faces additional drainage challenges from increased urbanization. As more land is paved, natural water absorption decreases dramatically. A typical suburban lot that once absorbed 90% of rainfall may now shed 60% as runoff after development. This increased water volume, combined with aging municipal storm systems, puts tremendous pressure on individual property drainage. Professional grading and drainage design must account for not just your property, but the entire neighborhood’s water flow patterns.

ROI and Property Protection Value

Proper drainage is the most cost-effective foundation protection available. Industry data shows that every dollar spent on preventive drainage saves $8-10 in water damage repairs. A comprehensive drainage system costing $5,000-$15,000 prevents foundation repairs averaging $25,000, basement flooding cleanup at $10,000 per incident, and landscape replacement costs of $5,000-$20,000. Toronto insurance companies report that homes with professional drainage systems file 75% fewer water damage claims.

Beyond damage prevention, quality drainage adds immediate property value. Toronto real estate appraisers consistently note that proper grading and visible drainage improvements can add 2-5% to home value. For a typical $1.2 million Toronto home, that’s $24,000-$60,000 in equity. More importantly, homes with drainage issues often sit on the market 45-60 days longer than comparable properties, and sell for 5-10% below asking price. Our drainage solutions come with transferable warranties that become selling features during real estate transactions.

Integrated Drainage System Design

Our drainage solutions begin with comprehensive water flow analysis using topographical surveying and digital modeling. We map every water source affecting your property: roof runoff (calculating exact volumes from roof area), surface flow from neighboring properties, groundwater levels, and municipal storm sewer capacity. This data drives engineered solutions that handle both average conditions and extreme weather events.

Installation follows strict standards exceeding Ontario Building Code requirements. French drains use 3/4" clear stone wrapped in non-woven geotextile fabric, with perforated pipe sloped at minimum 1% grade. Catch basins are sized using rational method calculations to handle 100-year storm events. Downspout extensions run minimum 10 feet from foundations, often connecting to underground systems that daylight to safe discharge points. Every system includes cleanouts for maintenance access and overflow provisions for extreme events. We coordinate with landscapers to ensure drainage improvements enhance rather than detract from your property’s aesthetics.

Testimonials

What Our Customers Say

4.9/5 Average Rating

2800+ Happy Customers

Lifetime Warranty

FAQ

Frequently Asked Questions

Get answers to common questions about drainage & grading solutions.

Common signs include water pooling near your foundation after rain, basement dampness or flooding, soggy areas in your lawn that never dry out, erosion patterns or soil washout, and ice buildup against your home in winter. Less obvious indicators include cracks in your foundation, doors and windows that stick seasonally, efflorescence (white powder) on basement walls, and increased insect activity around your foundation. If you notice water within 6 feet of your home 24 hours after rain, you have a drainage problem. Our free assessment uses moisture meters and level measurements to identify issues before they become expensive problems.
Surface drainage manages water running over the ground through grading, swales, and catch basins. It’s visible and handles roof runoff and rain that falls directly on your property. Subsurface drainage deals with water in the soil using French drains, weeping tile, and drainage pipes below ground. It manages groundwater, prevents soil saturation, and relieves hydrostatic pressure on foundations. Most Toronto properties need both: surface drainage for storm management and subsurface drainage for groundwater control. Our integrated approach ensures both systems work together, with surface water directed away from subsurface systems to prevent overloading.
Drainage costs vary significantly based on property size, problem severity, and solution complexity. Basic lot regrading runs $3,000-$8,000 for an average Toronto property. French drain installation costs $50-75 per linear foot, with typical homes needing 100-200 feet ($5,000-$15,000). Complete drainage systems including regrading, French drains, catch basins, and downspout management range from $8,000-$25,000. Factors affecting cost include soil type (clay costs more than sand), access limitations, disposal fees for excavated soil, and restoration requirements. While the investment seems significant, remember that one basement flood can cause $20,000+ in damage.
While simple downspout extensions or minor grading adjustments might be DIY projects, professional drainage requires expertise in hydraulic engineering, soil science, and local codes. Improper drainage can worsen problems by concentrating water in new areas or overwhelming municipal systems. Toronto bylaws require permits for significant grading changes and connections to storm sewers. Our licensed installers ensure proper pipe sizing, correct slope calculations, appropriate materials for soil conditions, and legal compliance. We also provide warranties and handle utility locates to prevent dangerous strikes. The cost difference between DIY and professional installation is often offset by avoiding mistakes that require expensive corrections.

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Drainage & Grading SolutionsComprehensive Water Management Systems to Protect Your Toronto Property