This spacer system is designed for patio decks and walkways, delivering precise joint spacing, reliable load support, and broad compatibility with natural wood, WPC, and other composites. - Spacing options: Multiple thickness levels for clearance requirements; deck spacer tools enable effortless positioning and uniform gaps for natural wood and WPC. - Durable spacer: Engineered to distribute load and maintain structural integrity across the deck surface; particularly effective with weatherproof decking made from treated wood. - Fixing system: Dual-function clamping element improves air circulation under decking and ensures even water drainage with a nonslip bracket. - Wide compatibility and applications: Universal patio aid for all composite materials; creates clearances around pools, seating areas, and walkways for durable, visually appealing finishes. Use scenarios - Poolside deck around a treated-wood or WPC pool edge, providing safe gaps, drainage, and easy maintenance. - Raised garden walkway with WPC boards, ensuring uniform joints and ventilation for long-term stability. - Outdoor seating patio with weatherproof boards, maintaining spacing to prevent moisture buildup and warping.