More than 1000 members of the National Union of Mineworker’s (NUM) have begun a nationwide strike against cement producer Lafarge over wages, a spokesman says.
"Lafarge must pay, they must come on board," NUM national construction sector co-ordinator Isaac Ntshangase said in a statement.
"We made lots of money for them throughout the 2010 construction period and before."
NUM members, who began striking on Wednesday, have demanded that Lafarge increase their wages by 11 percent in both the aggregate business unit and the cement business unit.
The aggregate business unit has offered its employees an eight percent increase, while the cement business unit has offered 8.5 percent.
NUM also wants a housing allowance of R1500 in both units and a shift allowance of R800 in the cement unit, which was offering R700.
"This is going to be the most hard-hitting construction strike action we have seen in recent times," promised Ntshangase.