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Elevator Pit Waterproofing
Our thermographers use top-of-the-line technology in infrared scanning, to determine and engineer the best waterproofing applications.
Our specialized industrial-strength materials have been rated to the MTO standards to last 25 years.
Our elevator waterproofers completely restore concrete surfaces thanks to monolithic adhesion provided by our materials.
When elevator pit walls are cracked, repairs are not always needed. It depends on the size of the crack and the condition of the surrounding area.
Elevator Pit Cleaning
We offer elevator pit cleaning service as part of your annual maintenance or in support of work done in the pit. A clean shaft will increase the efficiency of sump pump drains.
Coordination with Thyssenkrupp
As an added service, through our working relationship with Thyssenkrupp, we can help with the coordination of elevator repairs.
An Elevator Pit Waterproofing Company
Joint Seal Waterproofing is Toronto-based waterproofing company that offers specialized concrete repair services covering a vast geographical area, from Hamilton to the City of Toronto, and the surrounding GTA communities. We specialize in elevator pit concrete repair, restoration, and crack injection.
We offer elevator pit cleaning as part of regular maintenance or in support of work done in the pit.
Our thermographers will do an infrared scan to determine the source of leaks and their severity. The most efficient repair methods will be followed to ensure durable results.
High-strength concrete adhesives allow us to perform all concrete repairs from the inside of the shaft, ensuring long-lasting results. The use of crystalline coating restores water impermeability of the shaft wall.
Most of the elevator pit waterproofing is done for wall/floor corners (cold joints) – a weaker area in a concrete surface, where most leaking occurs. A multi-layer waterproofing repair method is applied to ensure long-term waterproofing: concrete adhesive, patching, primer, fiberglass, and basalt.
Wall/Floor Crack Repair
Wall cracks are a common issue. Cracked shaft walls will leak, making repair necessary. When elevator pit waterproofing is required due to cracks on elevator pit walls or floors, the cracks are first prepped and then filled with specialized elevator pit waterproofing materials: adhesive, polymer cement, and primer. For all patches of less than a ¼ inch thick, polymer cement is used.
Block Wall Waterproofing
Waterproofing elevator pits with block walls requires a special procedure. First, to make sure no water accumulates inside the block wall, drainage is installed at the bottom. Next, appropriate waterproofing materials are applied. Some repairs include application of crystalline, such as Xypex or Hydroseal.
Piston Housing Waterproofing
Piston housing must be waterproofed to stop leaking around the piston. A specialized procedure is followed to ensure long-lasting elevator pit waterproofing. Any accumulated liquid is pumped out of the housing around the cylinder/piston assembly, the void is cleaned and injected with a soft rubber material.
Q: Does the elevator need to be taken out of service?
Q: Will the elevator be shut down for a long time while the pit is being waterproofed?
Q: Why do elevator pits leak?
How can major repairs be prevented? It is important to undertake maintenance in the elevator pit at least once a year to detect problems early on. If minor leaking and small cracks are detected, less extensive and less costly repairs will be needed.