Exterior Waterproofing in Toronto
Project Overview.
A Toronto homeowner was experiencing ongoing water intrusion through the foundation walls of their home, causing dampness and potential damage to the basement area. To find a permanent fix, they turned to Aquatech for a full exterior waterproofing solution – excavating around the foundation, applying waterproof membranes, and installing a complete drainage system to keep the basement dry and structurally sound.
Challenges:
- Ongoing Water Intrusion: Water was penetrating the foundation walls, causing dampness and threatening the basement’s structural condition.
- Unexpected Underground Utilities: Utility lines discovered during excavation required careful navigation to avoid disruption while still achieving complete waterproofing coverage.
- Locating the Source of Moisture: Identifying the exact paths of water intrusion required a detailed inspection before any repair work could begin.
- Protecting the Membrane During Backfill: The waterproof membrane needed additional protection to prevent physical damage while the excavated area was being backfilled.
Materials Used
- Aqua Bloc 770-06 waterproof membrane
- Yellow Jacket fibre mesh reinforcement
- Hydraulic cement for crack sealing
- Geotextile filter fabric for drainage protection
- 4″ x 100′ corrugated drain pipe with filter sock
- Termination bar for membrane edge sealing
Solutions Implemented:
- Detailed Inspection: Conducted a comprehensive evaluation of the home’s exterior to identify the specific sources and paths of water intrusion, guiding the entire waterproofing approach.
- Excavation: Excavated around the foundation to expose the exterior walls where water was seeping through, then cleaned and prepared the surfaces for treatment.
- Waterproof Membrane Application: Applied high-quality waterproof membranes directly to the exterior foundation walls to create a durable barrier against moisture.
- Drainage System Installation: Installed an exterior drainage system with perforated drain pipes wrapped in filter fabric and surrounded by gravel to redirect groundwater away from the foundation.
- Protective Coating and Insulation: Applied a protective coating over the waterproof membrane to shield it from damage during backfilling and provide added insulation.
- Backfill and Landscaping Restoration: Backfilled the excavated areas and restored the disrupted landscaping, improving grading to further direct water away from the home.
Results for Exterior Waterproofing in Toronto
The exterior waterproofing project successfully eliminated water ingress into the home’s foundation and basement, despite the added complexity of unexpected underground utilities. The homeowner was extremely satisfied with the outcome, particularly the thoroughness of the initial assessment and the careful handling of both the landscape and utility lines. The work is backed by Aquatech’s lifetime warranty.
See How Aquatech Does Exterior Waterproofing
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transferable Warranty
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