The prefabricated concrete elements by Concrete International meet the following specifications:

Strength ClassE

Compressive strength class C35/45 for prefabricated wall elements made of concrete.
Compressive strength class C25 / 30 for prefabricated wall elements made of stone granules (flint)

Environmental Class

Concrete panels (made of gray concrete) are compatible with environmental classes:
X0, XC1, XC2, XC3, XC4, XD1, XD2, XF1, XF2, XF3

Concrete panels (in washed stone aggregates, flint) are compatible with an environmental class of:
X0, XC1, XC2, XC3, XF2-buitenblad

Different environmental classes are available on request.

Fire resistance

Wall elements are fire resistant according to NEN 2889 and NBD B 15-104.
All elements have a fire resistance grade of Rf 1h.


Tolerances on sizing are applicable as described in NEN 6722
Tolerances are applied on dimensions of concrete surface as described in the NEN 6722 class A, according to Table 8 and the NEN 2889.