FLAT HEADED ADJUSTABLE SUPPORTS ARE SUITABLE FOR BOTH PAVING SLABS AND TIMBER DECKING

If a very wide joist beam is being used and the 90mm gap on TD supports is not sufficient, a flat headed support pad can be used to hold the joist. These headpieces are 120mm in diameter and completely smooth. They give extra support without anything protruding up from the surface and potentially interfering with the levels.

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Provided that the joists are fixed together with cross battens and built into a framework, the whole structure will be sturdy, weight bearing and secure.

Having a larger batten in place allows for more weight displacement through the system, but care should always be taken no to overload the support pads. Each pad will tolerate 683kg, but if the span is too great the load bearing is multiplied. Wallbarn recommends a maximum span of 600mm between support pads.

Flat-headed support pads can also be used beneath the centre of paving slabs where extra support is needed, for example, very large (over 600mm) flags or thinner tiles.

CODE HEIGHT DIAMETER OF HEAD DIAMETER OF BASE WEIGHT TOLERANCE
SP-FLAT-035 35-50mm 120mm 200mm 683kg
SP-FLAT-050 50-70mm 120mm 200mm 683kg
SP-FLAT-065 65-100mm 120mm 200mm 683kg
SP-FLAT-095 95-130mm 120mm 200mm 683kg
SP-FLAT-125 125-160mm 120mm 200mm 683kg
SP-FLAT-155 155-190mm 120mm 200mm 683kg
SP-FLAT-185 185-220mm 120mm 200mm 683kg
SP-FLAT-210 210-245mm 120mm 200mm 683kg
SP-FLAT-240 240-275mm 120mm 200mm 683kg
SP-FLAT-270 270-305mm 120mm 200mm 683kg
SP-FLAT-300 300-335mm 120mm 200mm 683kg
SP-FLAT-330 330-365mm 120mm 200mm 683kg
         
SP-FLAT-EXTRA-085 85-130mm 120mm 200mm 683kg
SP-FLAT-EXTRA-125 125-215mm 120mm 200mm 683kg
SP-FLAT-EXTRA-210 210-380mm 120mm 200mm 683kg

Slope correctors can be added to flat headed supports:

CODE OUTER DIAMETER INNER DIAMETER PERCENTAGE SLOPE DEGREE OF SLOPE
SLOPE 1 200mm 82mm 1% 0.57°
SLOPE 2 200mm 82mm 2% 1.11°
SLOPE 3 200mm 82mm 3% 1.71°