- Four Thickness Options: For decking projects with variable requirements, this universal spacer provides precise four-stage adjustment of gap width, delivering uniform joint spacing across all composite materials. - Weather-Resistant Construction: Durable, weather-resistant material designed to withstand rain, snow, and sun; suitable for all outdoor installations, including treated wood. - Drainage and Ventilation: Integrated water drainage channels and enhanced ventilation help stabilize boards during installation, reducing deformation and ensuring precise laying results. - Universal Applicability: Essential for WPC decking; maintains consistent joint sizes at pool edges, patios, and walkways for long-lasting uniform aesthetics and structural integrity. - Use scenarios: WPC decks around pools needing even gaps; outdoor decks with treated wood in variable weather; patios and walkways requiring uniform joints for a clean, durable finish.