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This is what brick producers and resource companies say about our effort and services raw and residual material marketing.

“The filter cake gives homogeneity to our products and significantly decreases the ceramic body density. It matches very well with our own raw material basis“
Hubertus Becker (foreman of ceramics)
Works Manager, August LÜCKING GmbH & Co. KG, brick work - concrete
“This stuff looks good. You can bring some more of this.“
Sonja Böttcher (Dipl. – Ing.)
Production Manager, STEINZEUG-KERAMO GmbH, factory Bad Schmiedeberg
“The perfect additive for our clinker production.”
Ralf Borrmann (Dipl. – Ing.)
Technical Director, RÖBEN Tonbaustoffe GmbH
"Shale as fine as potting soil. Super, that you’ve found this for us."
Matthias Grziwa (Dipl. – Ing.)
Technical Director, RÖBEN Polska Sp. z o.o., factories Sroda Slaska (Poland)
"A good additive for the fired colour. We need more of this."
Steffen Hennicke (Dipl. – Ing. FH)
Works Manager, WIENERBERGER GmbH, factory Kirchkimmen
"With its high refractoriness this clay builds the framework of the brick. In addition it fractionize the texture. We didn’t know that we have such a great material right at our front door."
Karl-Heinz Thele
Former Works Manager, Klinkerwerk B. FELDHAUS GmbH & Co.
"We would have no place to store 50 000 tons of filter cake per year – great you’ve accomplished that.“
Gerhard Berghoff
Former Director, Grevenbrücker Kalkwerke GmbH & Co. KG, a company of SCHAEFERKALK GmbH
"Formerly, we haven’t recognized the value of the shale from our stone quarry in Ueffeln. Today we sell more than 170 000 tons of shale per year."
Konrad Brunsing (Marketing Director), Josef Prus (Works Manager)
"Before we knew Dr. Krakow we have stored out most of the overburden clay"
Uwe Neuhaus (Dipl. – Ing.)
Department Director of Quarries, SCHAEFER KALK GmbH & Co. KG

Reference List

Below you can find a selection of our current reference list. Some of these business contacts are new. But we cooperate with some of the others for more than 20 years.

Works for block bricks

Works for clinker bricks and stoneware pipes

Works for roof tiles

Raw Material Produktion