Paris-based Ciments Français — a unit of Italcementi Group — announced its filing for a public tender offer for all shares of its subsidiary Halyps Building Materials. The offer, which was expected to receive clearance from the Greek stock exchange authorities will last 30 days starting from the clearance date. Ciments Français owns directly and indirectly 94.75% of the ordinary shares and 88.6% of the preferred shares of Halyps. The offers aims at acquiring 975,979 ordinary shares, representing 5.25% of the total ordinary shares. As soon as clearance is given to the tender offer, Ciments Français also will commit to buy the outstanding 339,821 preferred shares.