Basement Waterproofing in York
York's 1920s-50s foundations develop predictable cracks and joint failures. We find the entry point and waterproof it properly.
Basement Waterproofing in York, what we fix.
Basement leaks
Below-grade waterproofing
Sump pump installation
Balcony leaks
Terrace leaks
Underground parking waterproofing
Why our waterproofing actually holds.
Diagnose first
System-matched materials
Written warranties
Full documentation
Interior & exterior
Parking structure expertise
Diagnose first
We identify the actual entry point and failure mode before recommending a waterproofing system. The right system depends on the diagnosis.
System-matched materials
We specify and install waterproofing systems appropriate to the failure mode, not a one-size coating over everything.
Written warranties
Our waterproofing warranties are written, clearly explained before work begins, and transferable to future property owners.
Full documentation
Written inspection reports and completion documentation suitable for insurance, lenders, and reserve fund files.
Interior & exterior
We explain interior and exterior waterproofing options honestly, with the trade-offs, and recommend what's appropriate for your situation.
Parking structure expertise
Parking deck waterproofing, joint systems, and traffic membranes, commercial-grade capability applied to residential and commercial buildings.
“The right waterproofing system depends on what's actually failing. We find that out first.”
“The right waterproofing system depends on what's actually failing. We find that out first.”
Rated 5 out of 5Blue Knight was, by far, the best. Responsive, ethical, totally professional — and their crew went above and beyond at no extra charge.
Rated 5 out of 5They installed a full new roof in one day. The crew worked around the house without us hardly knowing they were there.
Rated 5 out of 5I emailed at 4 a.m. and spoke with someone that same day. Estimate and completed work all within one day. Pricing was fair, work was excellent.
Blue Knight was, by far, the best. Responsive, ethical, totally professional — and their crew went above and beyond at no extra charge.
They installed a full new roof in one day. The crew worked around the house without us hardly knowing they were there.
I emailed at 4 a.m. and spoke with someone that same day. Estimate and completed work all within one day. Pricing was fair, work was excellent.
Luciano did not try to sell me a new roof. Appreciated the honesty — he showed up when he said he would.
We had a leak diagnosed by two other contractors who could not find the source. Blue Knight found it on the first visit and fixed it the same week.
Flat roof replacement on a commercial unit. Clean, fast, no surprises on the invoice. The crew left the site cleaner than they found it.
Called after a storm damaged our roof. Someone was on site within hours, tarped everything, and had us fully repaired before the next rain.
Had a slow basement leak for years. Every other company just caulked it. Blue Knight found the actual source and did a proper waterproofing job. No issues since.
Our neighbours recommended them for a valley repair. Small job, but they treated it like it mattered — showed up on time, matched the shingles perfectly, and charged exactly what they quoted.
Featured Projects.
Rooftops across the GTA.
From downtown Toronto to the 905 and beyond, one crew, one warranty, twenty-five years of GTA rooflines.
Service availability may vary. Call (647) 383-8664 to confirm coverage for your area.
Rooftops across the GTA.
From downtown Toronto to the 905 and beyond, one crew, one warranty, twenty-five years of GTA rooflines.
Service availability may vary. Call (647) 383-8664 to confirm coverage for your area.
Basement Waterproofing questions for York.
Crack injection runs $500 to $1,500. Interior perimeter systems run $5,000-$15,000. Written quote after inspection.
For many York homes, yes, interior drainage manages water that enters and directs it to a sump. For persistent active leaks, exterior is sometimes better. We'll tell you which applies.
Yes, written warranty before work begins.
Surface drainage often contributes to basement moisture. We assess the full picture.
Typically within a few business days.
York's older housing stock has foundation waterproofing that was minimal at best when built. After 70-100 years, cracks, failed parging, and joint deterioration are common entry points for water.
We assess before we propose. The right fix depends on the failure mode.
Basement Waterproofing for York's Older Homes
York's oldest housing stock, 1920s and 30s construction, has foundations that have now been in the ground for nearly a century. Cracks, joint failures, and degraded parging are inevitable at this age.
We repair these failures with appropriate systems for the building's age and condition.
Waterproofing Options for York Property Owners
York property owners often need to balance repair effectiveness against budget. We explain interior and exterior options honestly, including the trade-offs, so you can make an informed decision.
We don't oversell the most expensive system when a targeted repair will serve you just as well.
We also cover nearby cities.
Ready to schedule your estimate?
We come to you, assess the roof, and give you a written quote. You are not obliged to proceed. Most estimates completed same week.