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This ICF block is 250mm high and 1metre long. It can be cut into multiples of 250mm. 1cub.mtr. of concrete fills 7.5sq.m of wall area. Its STC rating is at 50. Its R rating is 3.22. This block is mainly used for external walls for multi storey buildings, retaining walls and cellars. This block was used to build a 7 storey building in Tasmania. ![]() |