These RynoDeck RDA Self-Levelling adjustable joist support pedestals are a plastic support pedestal for decking and railing applications.

The unique “ball and socket” floating head design allows for self-levelling/slope correction on tapered roofs or uneven grounds, and the adjustable thread provides millimetre-perfect adjustability across a large height range, making speedy and straightforward installation.

Features:

• Ball and socket joint creates a free moving captive head
• Provides slope correction of up to 5% (1:20 gradient) 
• Millimetre perfect height adjustment
• Cut-off base allows for placement against the walls
• Height extension collar raises the total height in 100mm increments
• Holes in base allow drainage and fixing to substrates

Performance and specification:

• Height adjustment: 20 - 25mm
• Material: Polypropylene (recyclable)  
• Dimensions: Base size: 200mm (diameter) & Head size: 130mm (diameter) 
• Joist width capacity: 50mm
• Compressive strength: 1500kg+ per pedestal