Fly ash for the Gulf region

The company history of the Vreden-based enterprise Tenwinkel started in 1959 when Heinrich Tenwinkel, as a young man, cast his first concrete weight for his neighbor’s tractor on the farmyard....

Fly ash has been used for concrete production for over 50 years. During this period, research and practical experience have shown and confirmed that the targeted addition of fly ash makes it possible...

The long initial stage up to the 2022 FIFA World Cup and the new alignment of the master plan „Qatar National Vision 2030“ encouraging investments into the future of the country gave rise to more...

As a concrete additive, fly ash has been an integral part of modern concrete formulations for many decades. It has often been used primarily to reduce cement consumption and thus production costs....