GRAD JAPAN https://japan.grad-system.com/ Japan Home Show & Building Show 2026 Japan Home Show Booth number W1-N11 Exhibit Product Grad decking system Specialities,Sales point (English) Grad is a French-developed clip-based installation system designed for decking and exterior cladding. Installation is achieved simply by snapping specially grooved timber boards into clips mounted on aluminum rails; this process significantly reduces installation time and results in a beautiful, screw-free finish. The decking and cladding materials utilize "Estec Wood"—domestically sourced timber, Hinoki and Sugi, modified to provide preservative-like durability—ensuring a long life. Back