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CROSS SECTIONS

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Polyslabs can be of any thickness to best suit the span and loading.  Below are typical sections of the most commonly used thicknesses.  Block A is used in 2 common brick courses; B in 3 courses and C in 4 courses.
The width of the blocks is normally the maximum allowable 500 mm.  The width of the ribs is determined by shear requirements and adjusted to suit the width of rooms.

Blocks can have arched or other moulded undersides for a variety of architectural effects.



MAXIMUM CENTRES OF TEMPORARY SUPPORTS
Using 16 kg/cum polystyrene Using X grade polystyrene
Blocks A = 500 mm Blocks A - Not recommended
Blocks B = 900 mm Blocks B = 550 mm
Blocks C = 1300 mm Blocks C = 800 mm
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