Natural stone facade cladding
GRES DU CONDROZ
PIERRES ET MARBRES DE WALLONIE
Hard sandstone, Condroz psammite, Meuse sandstone, Famennian sandstone, Grès du Condroz
Extraction zone
Valleys of Amblève, Bocq, Hoyoux, Ourthe and Samson, provinces of Liège and Namur
Mineralogical composition
Quartz 62-78 %, lesser amounts of mica and feldspar
Maximum dimensions of rough blocks
Length 2 m width 1-2 m thickness 07-1,5 m
Minimum thickness for application
Horizontal element 2 cm
Surface treatment
Split, rough split, trimmed, retouched, squared
Common applications
Outside : rubble stone, step, wall coping, corner, window and door sill, claddingstone, paving stone, thin paving stone, floor tile, small tile, border
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