Hot spray coating waterproofing
Platform Surface Polishing
Polish the platform surface to achieve a smooth and even base for subsequent application.
Platform Cleaning & Temporary Waterproofing
Remove dust and debris thoroughly using high-pressure water jetting.
Apply a temporary waterproofing layer as an initial protective measure.
Apply a temporary waterproofing layer as an initial protective measure.
Surface Crack Repair & Priming
Repair cracked or damaged areas with a waterproof patching compound.
Apply a primer coat over the repaired surface to enhance adhesion of the subsequent membrane.
Apply a primer coat over the repaired surface to enhance adhesion of the subsequent membrane.
Waterproof Membrane Spraying
Use high-pressure spraying equipment to apply the waterproof membrane evenly across the entire platform surface.
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.
Anti‑Slip Finishing
Apply a waterproof polymer base coat and embed quartz sand to create a durable, slip‑resistant wearing surface.
Past Project References :
- Wong Chuk Hang Depot – Phases 2 & 4 (2022)
- Canaan Kindergarten, 111 Waterloo Road, Kowloon (2022)
- Rooftop Basketball Court, Hon Wah College, Siu Sai Wan (2022)
- 2/F Platform, Sino Plaza, Causeway Bay (2020)
- 3/F, 20 Chung Shan Terrace, Lai Chi Kok (2019)
- (Additional references available upon request)