Building materials group Heiton has expanded its network in the south-east with the acquisition of Mooney & O'Dea in Callan, Co Kilkenny for €1.3 million (£1 million) in cash. Mooney & O'Dea, with turnover last year of €3 million, employs 11 people. It is a supplier of building materials in the south-eastern region and the acquisition adds to Heiton's existing businesses in Carlow and Waterford.