Semmelrock Group

Semmelrock Group

Semmelrock stein+design offers sophisticated landscaping solutions for private gardens as well as public places. For more than 60 years, the company has been setting trends and standards in the world of concrete pavers production.

Semmelrock is part of Wienerberger Building Solutions and has a modern industrial basis and a highly efficient production and distribution network across Central and Eastern Europe. The Group operates 14 plants in 7 countries – Hungary, Slovakia, Czech Republic, Poland, Croatia, Romania and Bulgaria – as well as sales organisations in 5 export markets and has in total around 900 employees. The Vienna based Semmelrock International GmbH is the leading company of Semmelrock Group and responsible for the subsidiaries in CEE.

The international locations of Semmelrock Group


Christian Reingruber
Chief Executive Officer

Christian Reingruber joined Wienerberger AG in 2005. Between 2005 and 2012 he held various executive positions within the Wienerberger Group: Investor Relations, Corporate Development (M&A), Pipelife International. Since 2012 Christian Reingruber has been CFO of the Semmelrock Group and in 2016 he was appointed CEO of the Semmelrock Group.

Semmelrock Christian Weinhapl COO

Christian Weinhapl
Chief Operating Officer

Christian Weinhapl started at Wienerberger in Austria already in 1991 with main focus on Sales and Marketing. Since 2001 he was responsible as Managing Director for the Austrian brick operations and for several years as Regional Manager for the Baltics and South East Europe region. In 2018 he shifted as COO to the Semmelrock Group.