Expert Basement Waterproofing & Underpinning in Toronto
From waterproofing to underpinning, our comprehensive basement solutions protect your investment and create beautiful, functional living areas that add value to your Toronto home.
Professional Basement & Water Management Services
Our comprehensive services address all your basement and water management needs, providing lasting solutions for your Toronto property. Each solution is customized to your specific situation.
Interior Basement Waterproofing
Our interior waterproofing systems manage water that's already penetrated your foundation, redirecting it away from your Toronto home's living space with advanced interior drainage systems, sump pumps, and moisture barriers. Ideal for existing homes with water problems.
- Interior drainage channels
- Sump pump installation
- Vapor barriers
- Less disruptive installation
- Practical for finished basements
Most Effective
Exterior Basement Waterproofing
Our Toronto exterior waterproofing provides the most comprehensive protection by creating a complete waterproof barrier on the outside of your foundation walls, preventing water entry and hydrostatic pressure. The gold standard in foundation protection for Toronto homes.
- Foundation excavation
- Waterproof membrane application
- Weeping tile installation
- Complete water barrier
- 25+ year protection
Legal Basement Apartments
Basement Lowering & Underpinning
Transform your cramped Toronto basement into a spacious, legal-height living space through our expert underpinning and basement lowering services. Ideal for creating code-compliant basement apartments, adding significant property value, and maximizing your Toronto home's potential.
- Increase ceiling height by 1-2 feet
- Structural foundation reinforcement
- Permits and engineering drawings included
- Integration with waterproofing systems
- Meets Toronto building code requirements
Common Foundation Problems We Solve
Select a problem to see where and how it affects your foundation. Our specialists can diagnose and repair all these common issues before they cause serious structural damage.
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Vertical and horizontal cracks in foundation walls can allow water infiltration and indicate structural issues. These cracks typically form due to settling, soil pressure, or moisture fluctuations around the foundation.
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When a foundation settles unevenly, it can cause sloping floors, sticking doors, and cracks in walls. Foundation settling typically occurs when the soil beneath the foundation compresses or washes away.
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Water intrusion through foundation walls or floors leads to dampness, water stains, and potentially flooding. This is often caused by poor drainage, high water table, or cracks in the foundation.
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Foundation walls can bow or bulge inward due to excessive soil pressure on the outside. This serious structural problem can lead to wall collapse if not addressed promptly.
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Persistent moisture in foundation areas leads to mold and mildew growth, creating health hazards and unpleasant odors. This typically indicates ongoing water intrusion issues that need to be addressed.
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Comprehensive Safety Solutions For Every Project
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Safety Training
Comprehensive training programs ensure all team members understand safety protocols and procedures.
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Certified Experts
Our safety inspectors and managers hold industry-leading certifications and credentials.
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Modern Equipment
State-of-the-art safety gear and protective equipment for all project types and environments.
See Our Toronto Basement Transformation Projects
Drag the slider to reveal dramatic basement transformations from our recent Toronto projects. See how we turn dark, unused spaces into beautiful, functional living areas.
Full Basement Renovation in North York
A dark, underutilized 900 sq. ft. North York basement. Solution: Dryspace designed and executed a full renovation, including increasing ceiling height, interior waterproofing, and installing new electrical. Result: A bright, modern entertainment hub featuring a home theater, wet bar, and guest bedroom, significantly enhancing the home's usability and value.
- Waterproofing System
- Ceiling Height Increase
- Electrical Upgrades
- Egress Window Installation
Etobicoke Underpinning: Gaining Headroom in a Century Home
This Etobicoke century home had a cramped 6' basement ceiling. Solution: Our team performed professional structural underpinning, safely excavating and extending the foundation to achieve a new 8'6" ceiling height, plus installing radiant floor heating. Result: A spacious, fully functional, and comfortable living area, dramatically increasing the property's value and appeal.
- 30" Ceiling Height Increase
- Structural Foundation Enhancement
- New Concrete Floor with Radiant Heating
- Complete Moisture Management System
Scarborough Legal Basement Suite: Income Property Conversion
"Problem: An unfinished Scarborough basement offered untapped rental potential. Solution: We handled the complete legal basement suite conversion, including design, permits, adding a separate walkout entrance, full kitchen/bath installation, and ensuring all fire and safety codes were met. Result: A compliant, high-quality rental unit generating $1,800/month income for the homeowner.
- Separate Side Entrance with Walkout
- Fire Code Compliant Design
- Sound Insulation Systems
- Separate Utility Metering
Mississauga Foundation Repair: Solving Cracks & Leaks
Problem: This Mississauga home faced major foundation cracks and persistent water leaks. Solution: We performed structural crack injections and installed a comprehensive exterior waterproofing system with new weeping tile and sump pump. Result: A permanently dry, structurally sound foundation, protecting the home's integrity and paving the way for a future basement renovation
- Structural Crack Injection & Repair
- Exterior Membrane Waterproofing
- Weeping Tile System Replacement
- Sump Pump with Battery Backup
Toronto's Trusted & Eco-Conscious Basement Experts
At Dryspace, we believe in responsible construction that protects both your home and our environment. Our commitment to sustainability guides every project we undertake.
- Eco-friendly waterproofing membranes with low VOC emissions
- Responsible waste disposal with over 80% of materials recycled
- Premium energy-efficient solutions that reduce your carbon footprint
- Locally sourced concrete mixtures formulated for durability and minimal environmental impact
Our team is committed to creating healthier indoor environments while reducing our ecological footprint. We invest in ongoing training to stay at the forefront of sustainable basement construction practices.
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Dryspace
✓ Waterproofing ✓ Underpinning ✓ Foundation Repair
🏆 Award-winning basement specialists since 2005
🚨 24/7 Emergency Response: 437-545-0067
👇 Book your free assessment
Our Project Numbers
Waterproofing Projects
Underpinning Projects
Concrete Poured (m³)
We've poured 43,000 m³ of concrete across our projects. That's more than the CN Tower (40,700 m³) and would fill over 17 Olympic swimming pools!
What Our Clients Say
"Our basement went from a disaster zone to a dry, comfortable space — thanks to Dryspace! The team was professional, thorough, and left our property cleaner than when they arrived. We've now been through two spring thaws with no water at all."
"After trying three other companies that couldn't solve our basement water issues, Dryspace diagnosed the problem immediately and fixed it permanently. It's been two years with no water issues! Their exterior waterproofing solution was more comprehensive than anything other companies proposed."
"The Dryspace team helped me navigate Toronto's rebate program and saved me thousands on my backwater valve and sump pump installation. Now I have peace of mind during heavy rains. They handled all the paperwork and inspections perfectly."
Contact Us
"Schedule your free assessment for basement waterproofing, underpinning, or foundation repair in the Toronto & GTA area. Ask us any questions!
Dryspace Waterproofing & Underpinning
Serving the Greater Toronto and Hamilton Area since 2005
Emergency Services Available
Regular Hours: Monday-Friday 7am-7pm
Weekends: 8am-4pm