Success means responsibility.
We are certified.
Because of the high quality standards in refractory and chimney construction Tölke has been certified in accordance with DIN EN ISO 9001: 2008 and SCCP: 2011. In addition, we comply strictly with the Dangerous Substances Regulation (GefStoffV) and are inspected under the Water Management Act (WHG). Expert staffs are regularly API936 certified.