Questions
Waterproofing & concrete repair questions
194 answers, grouped by topic — real questions from property managers, condo boards and facility managers on commercial, high-rise and industrial buildings in Toronto and the GTA.
Water damage & leaks
Leaks, staining and standing water, and how the source is traced before anything is sealed.
35 answers ›
Condition & reserve fund
Assessing condition, staging repairs across budget years, and what to do now versus later.
23 answers ›
Materials & methods
The materials and repair methods we use, and how each one is chosen.
54 answers ›
Process & hiring
How a repair is scoped, quoted, scheduled and verified in an occupied building.
25 answers ›
Plumbing-related
Where a concrete and waterproofing scope ends and a plumbing scope begins.
5 answers ›
Parking garage
Slabs, ceilings, expansion joints and traffic toppings, and keeping the garage open.
27 answers ›
Facade & balcony
Balconies, steps, soffits and exterior concrete on occupied buildings.
25 answers ›
Water damage & leaks
All 35 answers ›- Is cracked asphalt connected to leaking expansion joints below?
- Do you need to find where the water is entering before injecting?
- Is a block-wall elevator pit worse than a poured concrete one?
- Why can't you just seal a block-wall elevator pit completely?
- What are the warning signs of water damage on a garage beam?
Condition & reserve fund
All 23 answers ›- How much does it cost to seal a crack in asphalt over a garage deck?
- Why is a double elevator pit not twice the price of a single pit?
- How much does it cost to repair one parking garage expansion joint?
- Why would one garage repair quote be eight times another?
- Can a leaking expansion joint cause structural damage in a parking garage?
Materials & methods
All 54 answers ›- What kind of material is used to seal asphalt cracks over a deck?
- Can injection pressure lift or damage the waterproofing membrane above?
- Does injection resin react with the water already in the joint?
- How does the crew know when the joint is properly filled?
- What kind of resin is used to inject a leaking expansion joint?
Process & hiring
All 25 answers ›- Do both elevators shut down when you waterproof a double pit?
- Do the fire alarm sensors need to be dealt with during elevator pit work?
- How long does elevator pit waterproofing take?
- Can a contractor guarantee a leaking expansion joint will be fixed?
- Should a board be suspicious of a much cheaper waterproofing proposal?
Plumbing-related
All 5 answers ›Parking garage
All 27 answers ›Facade & balcony
All 25 answers ›Not answered here?
The property manager guide covers scope, sequencing in an occupied building and how to compare quotes. Assessments and quotes are free — ask us directly.