Tremco CPG Sporting Success at Kai Tak Sports Park: Flowcrete Flooring and Tremco Waterproofing systems

Located in Kowloon, Hong Kong, Kai Tak Sports Park (KTSP) stands as a landmark development in the heart of Hong Kong, representing the city’s largest and most ambitious sports infrastructure project to date. Designed as a world-class sports and entertainment complex, KTSP symbolizes Hong Kong’s commitment to sports, wellness, and community. A key element is the durable, safe, and hygienic flooring and waterproofing, with Flowcrete’s Flowcoat SF41, Flowfresh RT and Tremco TREMDrain meeting the park’s standards.

KTSP, a 28-hectare complex on the former Kai Tak Airport site, features a 50,000-seat stadium, indoor sports centre, public sports ground, and retail spaces. Set for 2025 completion, it’s designed as a global hub requiring durable, hygienic, and attractive flooring.

Flowcrete’s Flowcoat SF41 and Flowfresh were applied to meet the project’s demands. Approximately 80,000 m² of flooring coated with Flowcoat SF41 covers car parks and loading/unloading zones, arena floor, corridors & BOH. Flooring coated with Flowfresh RT and Flowfresh Cove in around 1,000m², for kitchen areas

Flowcoat SF41: Heavy-Duty Epoxy for High-Traffic Zones

Flowcoat SF41 is a solvent-free epoxy coating designed for high durability, chemical resistance, and visual appeal.

 Key Advantages of Flowcoat SF41

- Heavy-Duty Performance: Flowcoat SF41 resists mechanical wear and impact, ideal for car parks, loading bays, and busy back-of-house areas.

- Chemical Resistance: The system withstands exposure to oils, fuels, and cleaning agents.

- Seamless Finish: The smooth, joint-free surface minimizes dirt accumulation and simplifies cleaning.

- Slip Resistance: Optional anti-slip aggregates can improve safety on wet or sloped surfaces.

- Aesthetic Versatility: A wide range of colors to match design requirements and zoning needs.

Application Areas at KTSP

- Car Parks: The parking areas needed flooring that could handle traffic, spills, and weather. Flowcoat SF41 offered a durable, low-maintenance solution.

- Loading/Unloading Zones: These high-impact areas benefit from the system’s abrasion resistance.

- Arena Floor (Under Timber): Beneath the timber sports flooring, Flowcoat SF41 acts as a protective layer, ensuring long-term structural integrity.

Corridors & BOH: In these utility-heavy zones, the epoxy system ensures durability and hygiene.

- Stairs: The anti-slip properties of Flowcoat SF41 enhance safety in stairwells and vertical circulation areas.

 Flowfresh RT & Flowfresh Cove: Hygienic Flooring for Kitchen Areas

Hygiene is crucial in KTSP’s kitchens, so Flowfresh RT and Cove were chosen for their antimicrobial, seamless, and easy-to-clean surfaces.

Key Advantages of Flowfresh RT and Flowfresh Cove

- Antimicrobial Protection: Incorporates Polygiene®—a silver-ion based additive that inhibits bacterial growth for the lifetime of the floor.

- Thermal Shock Resistance: Resists hot water washdowns and temperature changes in commercial kitchens.

- Chemical Resistance: Resists food acids, oils, and cleaning chemicals.

- Slip Resistance: Textured finish reduces the risk of slips in wet environments.

- Durability: Withstands heavy foot traffic, wheeled carts, and dropped utensils.

- Seamless Wall-to-Floor Transition: Flowfresh Cove prevents dirt and bacteria buildup in corners.

- Enhanced Cleanability: Facilitates thorough cleaning and sanitation.

Tremco TremDrain 10/8G & TREMproof 250GC: Kai Tak Arean Green Roof

The Kai Tak Sports Arena’s green roof required a robust waterproofing solution capable of withstanding constant moisture, root intrusion, and structural movement.

Key Advantages

TREMproof 250GC, a high-solids, rapid-curing polyurethane membrane, was selected for its ability to be applied directly to damp or green concrete—ideal for fast-paced construction schedules. Its elastomeric nature allows it to flex with the building, bridging cracks and maintaining a seamless barrier against water ingress. This is especially critical beneath a vegetated roof, where trapped moisture and root systems can compromise traditional waterproofing layers.

Above the membrane, TremDrain was installed to serve dual functions: drainage and protection. Its multi-layered structure—typically composed of a polystyrene core and nonwoven polypropylene fabric—facilitates efficient water evacuation from the soil layer, preventing hydrostatic pressure buildup and reducing the risk of leaks. It also acts as a protective course, shielding the TREMproof membrane from mechanical damage during backfilling and landscaping.

Together, TremDrain and TREMproof form a comprehensive system that not only ensures long-term waterproofing integrity but also supports the arena’s sustainability goals. By replacing traditional pipe-and-stone drainage systems, TremDrain reduces material usage and simplifies installation. This integrated solution enhances durability, accelerates construction timelines, and meets both the structural and environmental demands of roof construction.

Sustainability & Safety

Our systems contribute to sustainable building practices:

- Low VOC Formulations: Solvent-free systems reduce harmful emissions.

- Complied with the requirement of LEED IEQ, Singapore SGBC, contributing the project pre-certified to international standards including LEED Gold, 3-star China Green Building Design Label and BEAM Plus Platinum

- Long Lifespan: Durable surfaces reduce the need for frequent replacements.

- Improved Indoor Air Quality: Seamless, non-porous surfaces prevent mold and bacteria growth.