From the first-level balcony of National Gallery Singapore to the rooftop garden, Calvary Composite® removable decking in Havana was installed, complementing the view across to Marina Bay Sands. Main contractor: Takenaka Corporation.

Scope of work

We supplied and installed removable composite decking on EZ-rail® clips across the balcony and rooftop garden, with benches.

Why removable composite decking for a national gallery

Outdoor decks in Singapore face strong sun, heavy rain and humidity all year, so the boards must stay stable, resist rot and insects, and remain comfortable and safe underfoot. Benches and trellises in shared spaces are sat on, touched and weathered every day, so they need durable, low-maintenance materials that stay pleasant to use. Calvary Composite® is a wood-plastic composite made with up to 95% recycled materials. Upkeep is usually just sweeping and a soap-and-water wash, and with the EZ-rail® clip system boards can be lifted out for access underneath. EZ-rail® is a spring-loaded removable decking clip system: boards can expand and contract slightly, which greatly reduces warping, and individual boards lift out for access underneath without screws in the surface.

Care and maintenance

Composite boards need no oiling or sealing: regular sweeping and an occasional soap-and-water wash keep the surface clean. Because boards clip in rather than being screwed down, a damaged or stained board can be lifted out and replaced on its own. Timber refinishing and OSMO oils are available for when a surface needs renewing.

Project details

• Location: National Art Gallery, Singapore

• Sector: Public / cultural

• Materials: solid timber

• Applications: Decking, Bench

• Completed: 2018

• Client: Takenaka Corporation

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