Basement Waterproofing Installation in Toronto

request a quote
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
0
1
2
1
0
1
2
3
4
5
1
2
3
4
+
Years of Experience
0
1
0
0
K+
Happy Clients
0
1
2
3
4
5
1
2
3
4
-Star
Rating based on reviews.

At Waterproofing4Less, we specialize in professional basement waterproofing that stops water damage before it starts. From aging foundation walls to high hydrostatic pressure in Toronto’s clayrich soil, our certified team delivers durable interior waterproofing and exterior foundation membranes. Combine it with sump pump installation in Toronto or a backwater valve installation in Toronto for total peace of mind.

request a quote
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
0
1
2
1
0
1
2
3
4
5
1
2
3
4
+
Years of Experience
0
1
2
1
0
1
2
3
4
5
1
2
3
4
Years of Warranty
0
1
0
0
K+
Happy Clients
Introduction & Local Overview

From the brick Victorians of Cabbagetown to the modern condos of the Entertainment District, Toronto homes face a common enemy: wet basements. Torrential summer storms and fast melting winter snow expose foundation cracks and overwhelm old drain tiles. At Waterproofing4Less, our Toronto basement waterproofing combines:
• Interior waterproofing with advanced weeping tile systems
• Exterior waterproofing membranes and foundation sealants

Backed by 25+ years of local expertise and 900+ satisfied homeowners, our comprehensive approach stops foundation leaks, prevents mold growth, and protects against hydrostatic pressure—all year long.

Why Do You Need Basement Waterproofing & Drainage in Toronto?
Prevent Flood Damage
Enhance Indoor Air Quality
 Optimize Drainage & Ensure Compliance

 Our Advanced Materials & Technology

At Waterproofing4Less, we use premium materials and cutting-edge technology to deliver optimal performance

01     Aquabloc 720-38

We use this premium water-based, low VOC waterproofing product, which outperforms traditional tar-based sealants by forming a durable, flexible barrier that effectively prevents water intrusion

02      Advanced Diagnostic Tools

Our toolkit includes infrared cameras to detect hidden wet areas, moisture meters to measure unseen moisture levels, and drain cameras to inspect pipelines and sewers for blockages or damage.

03     Utility Locates:

We rigorously adhere to all bylaws by calling utility locates (for hydro, gas, Bell, Rogers, etc.) before excavation. This critical step prevents accidental utility damage and protects you from fines up to $12,000.

04    Honest Assessments

Our professional team uses these tools to ensure that we only perform work that is truly needed—never recommending unnecessary repairs for profit.

Our Comprehensive Process in Toronto

We provide a dual approach that addresses both interior and exterior waterproofing, along with specialized services such as sump pump installation, backwater valve installation, and drain repair & replacement.

Interior Waterproofing Process in Toronto

1
Preparation & Access

Protect work areas with tarps and remove wall coverings to expose concrete, cinder block, or brick surfaces for accurate assessment.

2
Trenching & Excavation

Excavate a precise trench along the wall following detailed diagrams and properly dispose of all debris.

3
Membrane & Weeping Tile Installation

 Install the Delta MS drainage membrane (drilling through blocks if necessary) and integrate Big O weeping tile with a filter into the drainage system.

4
Backfilling & Cleanup

Encase the weeping tile in gravel, backfill and re-cement the floor, then remove all tarps and thoroughly clean the area.

Exterior Waterproofing Process in Toronto

1
Area Protection & Excavation

Safeguard the surrounding landscape with tarps and excavate down to the footing level to expose the foundation.

2
Surface Preparation

 Clean the wall, grind out cracks into a V-shape, repair with hydraulic cement, and apply a parging mix for optimal surface readiness.

3
Aquabloc Application & Reinforcement

 Apply a high-quality layer of Aquabloc 720-38 to form a superior waterproof barrier, then reinforce with fiber mesh and an additional 4mm poly layer for extra protection.

4
Drainage Installation & Backfilling

 Install a new Big O weeper with filter, encase it with ¾” clear gravel, perform required utility locates, and backfill and compact the soil for a finished, compliant installation

Benefits of Basement Waterproofing & Drainage in Toronto

 Why Choose Waterproofing4Less for Your Toronto Home?

Case Study: FloodProofing a Leslieville Bungalow

Client: Mr. Fernandes, Leslieville

icon
Challenge:

• Recurring basement seepage after April rains
• Cracked block foundation and clogged weeping tiles
• No existing sump pump or backwater valve

black-arrow
icon
Our Solution:

Interior Waterproofing: Installed French drain and highcapacity weeping tile leading into a new sump pump pit
Exterior Waterproofing: Excavated perimeter and applied waterproof membrane with foundation sealant
Pump & Valve Integration: Fitted a 1⁄2 HP submersible sump pump with battery backup, plus a commercialgrade backwater valve
Post Care: Cleaned and regraded discharge line away from the house

black-arrow
icon
Result

• Zero water ingress over two years, even during Toronto’s record‐breaking storms
• Basement humidity dropped 50%, eliminating musty odors

black-arrow

Choosing Your Toronto Waterproofing System

Toronto’s varied architecture demands tailored solutions. Here’s how we guide you:

1. Assess Hydrostatic Pressure: High in low‑lying areas like the Beaches—requires heavy‑duty exterior waterproofing.

2. Select the Right Interior System: From cementitious sealers to drain tile installations, we choose methods that suit basement layouts.

3. Integrate Secondary Defenses: Pair basement waterproofing with backwater valve installation, or drain repair & replacement for multi-layer protection.

Our expert team evaluates soil type, foundation material, and local precipitation data to recommend a complete waterproofing package designed for Toronto’s unique climate.

What  They Say About our Company?

Great company. Excellent quote and advice from Andrew and a very hard working remedial team.  what was required and didn't upsell.

By Sophia Reynolds

Vasyl and the crew did such a great job on our basement! Fast, professional, affordable, and friendly! 👍🏼

By Logan Bennett

I have had waterproofing4Less do two separate jobs at my home.  The crew, was great, they are professionals, I am very pleased with the results.  The jobs were done on time, & clean up was superb.

By Ethan Parker

Carl and the crew at Waterproofing4Less are the best option in southern Ontario. Carl is honest and professional while delivering a high quality of work on schedule. They are patient and will answer your questions!

By Ava Collins

They replaced one of our window wells and waterproofed/repaired the foundation after we had a water issue in our basement.

By Grace Mitchell

Slava went above and beyond to fix our problem. He and his crew were very professional and did an amazing job!

By Jack Thompson

Testimonials

Daniel Brooks

Incredible customer service, very helpful explaining the project and what is involved. Super responsive, even after the project was over with a few follow up questions. Would call them immediately if I ever needed more water proofing services!

Olivia Monroe

Carl and his team did a fantastic job, waterproofing a small section of our foundation, installing a proper drain in a window well and putting everything back together, looking snazzy.  

Michael Landry

Waterproofing4Less are excellent in their trade.  I would highly recommend them if you need waterproofing.

Rachel Bennett

Super professional, fast, clean, and they know exactly what they’re doing. Extremely seamless service!! Thankful to this team

Daniel Brooks

Valentine of Waterproofing4Less provided excellent service and good value for a faucet replacement and a further faucet repair.

Emily Carson

Carl and the crew at Waterproofing4Less are the best option in southern Ontario. Carl is honest and professional while delivering a high quality of work on schedule.

frequently Asked questions

01
What is basement waterproofing and why is it crucial in Toronto?

 Basement waterproofing prevents water intrusion and flooding, protecting your Toronto home’s foundation and ensuring a dry, safe basement even during heavy rains and rapid snowmelt.

02
How do I know if my Toronto basement needs waterproofing?

Signs include water pooling, damp patches, subtle stains, and musty odors. These indicate moisture issues that can lead to structural damage and mold growth.

03
What waterproofing methods do you use in Toronto?

We offer both interior and exterior waterproofing using advanced membranes like Delta MS, premium products such as Aquabloc 720-38, and integrated drainage systems for comprehensive protection.


04
How does your installation process work?

Our process includes a detailed site assessment, controlled excavation, precise installation of waterproofing materials, and rigorous testing under simulated heavy rainfall.

05
Are your waterproofing installations compliant with Toronto building codes?

 Yes, our installations strictly adhere to Toronto’s municipal regulations, including thorough utility locates, ensuring compliance and eligibility for insurance discounts and rebates.

06
What advanced technology do you use for waterproofing in Toronto?

We utilize infrared cameras, moisture meters, and drain cameras to detect hidden moisture and accurately assess basement conditions for targeted solutions.

07
What warranties do you offer for your waterproofing services?

 Our services are backed by a 25‑year transferable warranty on waterproofing work, along with additional warranties on drain work and sump pump installations, ensuring long-term reliability.

08
How can I schedule a free consultation for basement waterproofing in Toronto?

 Simply call us at 416‑333‑LEAK (2212) or email info@waterproofing4less.ca to book your free consultation and receive a customized waterproofing solution tailored to your Toronto home.

09
Do you service homes outside Toronto as well?

Yes! We also offer basement  Waterproofing in  Hamilton, Mississauga , Oakville and Burlington

grey-star

Get Your Drainage And Waterproofing Issues Resolved Today

black-star
Award Winning Company
Lifetime Warranty
Financing Available
20+ Industry Awards
Rebates up to $10,500
Award Winning Company
Lifetime Warranty
Financing Available
20+ Industry Awards
Award Winning Company
Lifetime Warranty
Financing Available
20+ Industry Awards
Rebates up to $10,500
Award Winning Company
Lifetime Warranty