Carrière de Sprimont - Professional

sprimont blue


pierre bleue

Belgian blue

pierre sprimont

Professional customers

SprimontBlue® stone is exported throughout Western and Eastern Europe, the Middle East and the USA


Paving, stairs, external façade, sink, shower, window sill elements, swimming pool, terrace


Engineering structures

Sawn sections

Technical information

«Petit granit - Belgian blue limestone, crinoid limestone, grey-blue in tone, stratigraphic period Upper Tournaisian (Lower Carboniferous, Palaeozoic), belonging to the category [to specify] in accordance with the classification taking account of particular features regarding structure and appearance, as established in technical information note n° 220 of the C.S.T.C. (2002).

This stone comes from quarries holding the Technical Approval certified by the, which covers the entire deposit. The finish and appearance will match the samples presented to the person responsible for the project; these three contractual samples will show the standard appearance and the two extremes of variation allowed within under the contract.

Equivalence : Any proposed product or finish differing from the description given above must undergo the equivalence procedure described in manual 100.2 published by the department of construction quality at the Ministry of Communications and Infrastructure, now the Federal Public Service for the Economy».

Available surface treatments

 Minimum thicknessStandart thickness and
specific features
Split   5 cm 5 cm 8/10/15 cm
Hammered thick 3 cm 3 cm Manual 6 cm - 16/25 sawteeth
mechanical 5 cm
  thin 3 cm 4 cm Manual 5 cm - 49 sawteeth
mechanical 3 cm
Ciselé   3 cm 3 cm 5 cm - mechanical 15 strikes/dm
Manual 15/20/25 strikes/dm
Sawn   2 cm   1/5 cm
Ground   2 cm 2 cm 5 cm
Honed blue 2 cm   2 cm
  dark 1 cm   2 cm
Polished   1 cm   2 cm
Flamed   3 cm 3 cm  
Grinded gray 1 cm 1 cm  
  blue 1 cm 1 cm  
Chased the old   3 cm 3 cm