Hot spray coating waterproofing

Hot spray coating waterproofing

Polishing the Platform

Polish the platform until smooth.

Cleaning the Platform

After cleaning the platform dust with a high-pressure water gun, apply temporary waterproofing.

Repairing the Platform Surface

Repair the cracked areas of the platform surface with a waterproof mixture and apply primer on top.

Laying Waterproof Membrane

Use a high-pressure spraying machine to evenly spray a waterproof membrane on the platform surface.

 Immersion Testing

Conduct a 24-48 hour immersion test using fluorescent powder to test the effectiveness of the waterproof layer.

Finishing

Apply waterproof polymer base film and lay quartz sand for anti-slip purposes.

Past Related Projects

  • Wong Chuk Hang Depot Phases 2 & 4 in 2022
  • Canaan Kindergarten at 111 Waterloo Road, Kowloon in 2022
  • Basketball Court on the rooftop of -Hon Wah College, Siu Sai Wan in 2022
  • 2nd-floor platform of Sino Plaza in Causeway Bay in 2020
  • 3rd floor of 20 Chung Shan Terrace, Lai Chi Kok in 2019

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