The cracks produced by the crack inducer grid must be very fine. 0.3mm to 0.5mm are the acceptable sizes. A light mesh is required to be placed on top of the grid. The two sizes of crack inducer grids from Building Innovations are 30mm and 38mm. The tubes are made to fit perfectly into the junctions while installation takes place on-site. It consists of plastic tubes and four way junctions. The crack inducer grid from Building Innovations is one metre in length. This is eliminated with the use of the joint free slabs system from Building Innovations. Traditional slabs on grade consisted of control joints that were required to control and reduce concrete shrinkage. This innovative method minimises times, cost and effort required to lay concrete slabs. Exhibitions, Associations & Informationīuilding Innovations has developed a new system for the construction of concrete pavements called the joint free slabs systems.Ceilings, Internal Wall Materials & Partitioning.
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