If it is frequently used for cobblestones or floor covering on account of its non-skid qualities, Condroz sandstone is nonetheless the benchmark material in traditional housing in our region.
Arkose combines great hardness and a great diversity of varied colours, in a pastel (pink, grey, etc) or stronger-coloured (brown, etc) range.
Quartzite is, with some exceptions, intended for outdoor applications. The quartz grains bound by silicon dioxide mean that it is an extremely resistant stone.
Schistose sandstone is a typical stone of the Ardennes and the Malmédy area and its appearance varies according to its own composition and its palette of shades range from grey and bluish-grey to brown and rust.
Schist can be used outdoors for masonry work and especially for garden and landscape applications but also provides floor products. Sawn elements are also used for indoor purposes and are available in different finishes.