A breakthrough permeable material utilizing local wastes and advanced technology for a sustainable solution to spongy cities. Allowing rainwater to pass  (drain away) with aesthetic design, this eco-permeable material helps create an environment (a drainage system) that flows with nature. Greener and more resilient – the future of construction is now permeable!

Technical Merits of Porous Drain Cover

• • Design with a permeable concrete core formulated by an eco-friendly composition with significant usage of recycled materials, including but not limited to, recycled aggregate, plastic pellets and rubber crumbs.
  • Ordinary Portland Cement is partially replaced by a geo-polymer and is supported by a galvanized steel frame to ensure the strength and resistance.
  • High water permeability allows catering of black rainstorm level (70 mm/hr) and no solid content of filtered rainwater.
  • Flexibility and compatibility in designs.
  • Carbon emissions can be reduce by around 9%.

Hong Kong Inventions Award – Gold Award for the Porous Drain Cover in 2023

Our green product: Porous Drain Cover