Formcraft NZ

To supply the polystyrene panels and the spines that separate them and hold them together costs about $125 per m2 for walls with a 150 gap for concrete and steel. Price varies slightly for thiickness of wall which can be between 100mm and 300mm. Floor cost for the formwork- which is held in place by moulded 1mm steel C sections (perlin cross section) which are propped during concrete pour and drying, varies from $100 to $170 per m2 depending on the span and thus the depth of the beams.