Torch-on Waterproofing System
Material, Tool & Equipment Logistics
Plan and implement appropriate transport and protection measures to minimise disruption to the public and surrounding areas.
Demolition & Debris Clearance
Depending on site conditions, remove the existing waterproofing layer down to the base concrete layer using manual or mechanical methods.
All construction waste is legally collected, transported, and disposed of in compliance with environmental regulations.
All construction waste is legally collected, transported, and disposed of in compliance with environmental regulations.
Temporary Waterproofing & Substrate Preparation (Plastering)
Carry out temporary waterproofing measures, repair surface cracks, and address any active water ingress.
Apply a waterproof platform/leveling layer to prepare a stable and even substrate.
Apply a waterproof platform/leveling layer to prepare a stable and even substrate.
Primer Application
Apply a specialised primer to the prepared surface to ensure optimal adhesion of the waterproofing membrane.
Waterproofing Membrane Installation
Install Italian‑made waterproofing membranes using torch‑on application techniques to form a seamless, durable protective layer.
Water Tightness Testing (Immersion Test)
Conduct a 24‑ to 48‑hour immersion test with fluorescent tracer powder to verify the integrity and effectiveness of the waterproofing system.
Finishing Works
Apply finishing layers as required by the client (or leave as is), which may include heat‑insulating cement screed, anti‑slip tiles, or other specified surface finishes.
Past Project References :
- Lee Shau Kee Communication and Visual Arts Building (2024)
- Glorious Praise Fellowship, 16½ Mile Stone, Siu Lam (2024)
- 2A Tai Tong Village, Sai Kung West Sha Road (2024)
- Rooftops of Tin’s Buildings 1, 2 & 3, Tuen Mun (2023)
- 4/F Rooftop, San Mun Tzai Pentecostal Holiness Church, Tai Po (2023)
- (Additional references available upon request)