MospdyGear 10 PCS Adjustable Decking Pedestal Supports, Height-Adjustable Joist Leveling Feet, Recycled PP Raised Deck & Shed Foundation Pads Compatible with Wood WPC Aluminum Composite Joists

• Micro-Adjust 18–30mm Range: Each pedestal offers stepless height tuning between 18mm and 30mm via a threaded or snap-ring collar so you can compensate for uneven concrete slabs or slight grade changes beneath timber, WPC, or aluminum decking layouts
• Fixed Head with Air Gap: The flat-top bearing surface sits joists above the substrate to promote under-deck ventilation, reducing trapped moisture that can lead to rot in wood joists or mold growth beneath composite deck boards
• Self-Leveling on Sloped Surfaces: When placed on a mild gradient, the adjustable column lets you raise low spots individually so the finished deck plane stays horizontal without needing to pour leveling mortar or grind down high concrete areas
• Stable Load Distribution Base: A wide, low-profile foot spreads vertical weight across a greater area of the subfloor, minimizing point-pressure imprints on delicate membranes such as EPDM roof sheets when used as rooftop deck supports
• Snap-In Joist Retention Ribs: Raised ridges or outer lips on the pedestal head help prevent narrow joists from sliding sideways under lateral foot traffic, keeping board alignment true during installation and subsequent seasonal expansion/contraction

Specification Product Name: Adjustable Decking Pedestal Support Material: UV-Stabilized Recycled Polypropylene Color: Typically Black or Dark Gray Adjustable Height: 18 mm (min) – 30 mm (max) Application Scenarios Rooftop Terrace Decking: Place pedestals over EPDM or TPO roof membrane to elevate wood/WPC decking and allow water drainage underneath. Garden Shed or Summerhouse Base: Use as a leveling footing grid under a timber-framed shed floor on slightly uneven lawn-side concrete pads. Ground-Level Patio Platform: Support low-profile composite decking above a paved patio to hide cracks and improve water runoff beneath the boards. Package Includes 10 × Adjustable Decking Pedestal Supports Feature Height adjustable from 18mm to 30mm for precise leveling. Fixed head promotes airflow to prevent moisture buildup. UV-stable recycled PP resists sun, frost, and insect damage.