Finishing the indoor sport arena at the Cliffview Primary School in Fairlands, Johannesburg was not as straightforward as originally expected, with the arena’s floor containing numerous surface high-spots.
Leaders in diamond tooling and machinery for the flooring industry, the Diamond Products Group came to the school’s aid to ready the more than 3 000m² of flooring to be overlaid with a self-levelling screed.
Inspection of the concrete slab determined that the floor required surface grinding along all the joints where high spots had formed to prevent the self-leveller from flowing away from the joints towards lower areas, known as valleys. If not done, the self-levelling screed would be vulnerable over the joints, varying the thickness across the installation.
The Blastrac BMG555WD planetary floor grinder and BDC-1330LPP dust collector machines, combined with specialised diamond grinding pads, mechanically levelled the floor, creating an optimum profile to ensure the surface bond between the concrete & screed.
Brian Clark, Director at Diamond Products Group, notes, “The advantage of using these machines is two-fold. The planetary head system ensures a near flat surface when grinding and secondly, it allows for speed & precision.” As it is a medium to large class floor grinder, it is the perfect choice for large floors.
The result was a resounding success and pupils will spend many happy years enjoying the benefits this arena has to offer.
For more information, contact Diamond Products:
Tel: +27 (11) 552 8310
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