Delivery: IN STOCK. Next Day Delivery (if ordered before 13:00) Key Features: Material: Polyproylene Height: 15mm (stackable to 150mm) Diameter: 180mm Compression: 1000kg Spacer Tap: 4mm Stackable amount: Can be stacked up to 10 pieces high Suitability: Can be used with the RPS-HD2 Heavy Duty Paving Support Shim Description: RPS Heavy Duty Stackable support Pads by RYNO. a low-height stackable paving support pads are simple to install and build-up height. A very economical method of creating clear space below the paving, allowing for rapid water drainage. For use on totally flat surfaces. Spacer tabs create a perfectly uniform gap between slabs Drainage holes ensure fast and efficient rainwater drainage Supports can be stacked to desired height – up to 10 high for RPS-HD range Supports can be snapped into halves or quarters for supporting slabs at edges or corners Downloads & Data Sheets: RYNO Support Product Brochure Product Data Sheet