Posts by Carl McDowell
Cashmere Ave, Mississauga, ON L5B 2M6, Exterior Waterproofing
Property Address: Cashmere Ave, Mississauga, ON L5B 2M6 Property Type: 1950s bungalow Scope of Work: Exterior waterproofing and drainage upgrades were completed to address ongoing moisture and water infiltration issues common to older foundation systems. Work Performed: Excavated exterior foundation walls to required depth Cleaned and inspected exposed foundation Applied exterior waterproofing membrane to foundation…
Read MoreBurtree Dr, Heart Lake, Brampton, L6Z 3K6 Exterior waterproofing
Project Location: Burtree Dr, Heart Lake, Brampton, ON (L6Z 3K6)Service: Exterior Waterproofing During our inspection, multiple leakage points were identified around the chimney area. These vulnerabilities were allowing water infiltration, which could lead to structural damage and moisture-related issues if left unaddressed. To resolve the problem, we implemented our comprehensive 6-stage exterior waterproofing system. This…
Read MoreWhite Powder on Basement Walls (Efflorescence): What It Means & How to Fix It
If you’ve noticed a white, chalky residue on a basement wall, you’re probably looking at efflorescence. It often gets mistaken for mould, but it’s usually a mineral deposit left behind when moisture moves through concrete, block, brick, or mortar and then dries at the surface. It’s not the powder itself that matters most. It’s the…
Read MoreHow to Tell If Your Basement Needs Waterproofing (10 Warning Signs)
Interior of a basement showing different signs to why basements leak It’s easy to miss early signs, but catching these visible signs of foundation problems can save thousands in the long run. Keep an eye out for: 1. Visible cracks in basement walls or floors 2. Cracked foundation walls. 3. Minor cracks that may develop…
Read MoreHow to Waterproof a Basement from the Inside: Step-by-Step Guide
A wet basement isn’t just an inconvenience — in the Greater Toronto Area, it’s a structural threat, a health hazard, and one of the costliest problems a homeowner can face. Ontario flooding events have resulted in over $2.4 billion in home insurance claims in 2025, according to the Insurance Bureau of Canada, making basement protection…
Read MoreToronto Neighborhoods Most at Risk for Basement Leaks
If you own a home in Toronto, your basement is quietly under attack — and it likely has been for years. According to the Canada Mortgage and Housing Corporation (CMHC), over 60% of Canadian homes will experience some form of water damage or basement leak in their lifetime. In the summer of 2024 alone, severe rainfall…
Read MoreTop 10 Reasons why your Basement is leaking in winter
So you have a leak in the basement… How and What To Do Winters mean holidays and fun but it also comes with the problems of flooded basements. No one wants to ruin their holidays by mopping out the water from a flooded, leaky basement when you can easily enjoy with your family. It is…
Read MoreHow Much Does Basement Waterproofing Cost? (2026)
Homeowner’s Toolkit Waterproofing Cost Calculator Waterproofing Cost Calculator Add one or more services to build your estimate. For an exact quote, please contact our team. Service type Exterior waterproofing (per linear foot) Interior waterproofing (per linear foot) Sump pump Sump pump with battery back-up Interior backwater valve Exterior backwater valve Existing sump pump replacement Battery…
Read MoreThe Science Behind Wet Basements in the GTA
The Science Behind Wet Basements in the GTA: Why Toronto Homes Are More Vulnerable Than You Think Every year, homeowners across Toronto and the GTA deal with the same frustrating discovery — a wet basement. Whether it’s water seeping in after a heavy storm, seasonal dampness, or cracks forming in the foundation walls, the problem…
Read MoreBasement Leaks in Toronto?
Basement waterproofing and foundation repair in progress at a residential property in Toronto. Workers applying waterproof membrane to the foundation wall with excavator on-site. Basement Leaks in Toronto? Discover Why Canada Waterproofers is the Go-To for Exterior Foundation Waterproofing. A leaky basement is more than a seasonal bother, it’s a sign that your…
Read More