ZURICH, Sept 15 (Reuters) -

Construction chemicals maker Sika said on Friday Chairman Paul Haelg will step down in 2024 after 12 years at the Swiss firm, adding that it is also making changes to its management.

The company said it will propose current board member Thierry Vanlancker as its new chairman at its AGM next year.

During Haelg's time at Sika, the company grew enormously and also fended off Saint-Gobain in a bitter takeover battle involving the family of Sika's founder.

Sika, whose products are used to reinforce and waterproof concrete used in building projects, additionally announced changes to its executive management team ahead of its investor day on Oct. 3, where the company will reveal its new strategy.

Among the changes, Christoph Ganz, currently the regional head of Americas, will become the regional manager for Europe, Middle East and Africa.

Asia-Pacific boss Mike Campion will become the head of Americas, while Construction Head Philippe Jost will become the regional manager of Asia-Pacific.

The management changes will be effective Oct. 1, Sika said. (Reporting by John Revill; Editing by Jacqueline Wong)