The Netherlands
Jules Verneweg 94A
5015 BM Tilburg
PO Box 61, 5000 AB Tilburg
P: +31 13 5 379 379
E: info@zoontjens.nl
Zoontjens International B.V.
Jules Verneweg 94A
5015 BM Tilburg
PO Box 61, 5000 AB Tilburg
The Netherlands
5015 BM Tilburg
PO Box 61, 5000 AB Tilburg
The Netherlands
Our locations
Belgium
Zoontjens België NV
Albertkade 3
3980 Tessenderlo
P: +32 13 67 48 39
E: info@zoontjens.be
Germany
Zoontjens Deutschland GmbH
Siemensstraße 31
47533 Kleve, Deutschland
P: +49 (0) 2821 7 158 784
E: info@zoontjens.de
France
Zoontjens France SARL
6 rue de Cabanis
31240 L’Union
P: +33 (0)1 53 32 5018
E: info@pardak.fr
Our team in the United Kingdom
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FAQ
You can reach us from 8.30 am to 5 pm Monday to Thursday, and from 8.30 am to 4.30 pm on Friday.
It may be efflorescence. Efflorescence is the result of a chemical reaction of substances in the concrete that become visible as a white residue on the surface of the product. As a rule, this white discolouration tends to go away again under the influence of rain and other weather conditions. Efflorescence does not affect the structural strength of the product and can never be a reason for claims for damages.