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This ICF block is 250mm high and 1.2 metres long. It can be cut into multiples of 200mm. 1cub.mtr of concrete fills 11.5sq.m of wall area. Its STC rating is estimated at 48. Its R rating is 2.88. This block is mainly used for external walls for buildings up to 3-4 storeys. It can be used for retaining walls and cellars. ![]() |