Installing Assured Adjustable Pedestal Supports & Joists
Ideal For Balconies
We advise using Assured Adjustable Pedestal Supports on a concrete foundation and creating a decline of 1% - 1.5% away from a property acting as a drainage slope.
Start from the edge of the decking area and place the pedestals width ways in a gridline format leaving a 300mm max interval between each pedestal centre. Spacing between the pedestals length ways will depend on the thickness of the joists.
• 50x50mm Joist: 500mm max intervals • 50x100mm Joist: 750mm max intervals
Rotate the base clockwise or anti-clockwise to set the required height. Check the heights from one pedestal to another with a spirit level.
Pedestals can be fixed through the base if required. In most cases the weight of the joists and deck boards will hold the pedestals in place. We do not advise fixing pedestals to a roof terrace.
Measure and cut joists where required.
Lay joists through each pedestal joist cradle.
Allow a 20mm expansion gap between joist butt joins and use a 300mm cross member for support. Fix by screwing joist and cross member together.
Fix the joists to the pedestals by screwing through the joist cradle.
Double joist where deck boards meet at butt joins allowing 3mm between joists.