Keien
Siersplit – Ardenner Geel Jaumont 10mm/20mm
Siersplit – Grauwacke 8mm/16mm
Siersplit – Yellow Sun 10mm/20mm
Grind 16mm/32mm
Siersplit – Ardenner grijs 8mm/16mm
Siersplit – Ardenner grijs 80mm/120mm
Dakgrind – Morane dakgrind 30mm/60mm
Grind – Grind 2mm/8mm
Leisteen – Welsh Slate 30mm/60mm paars
Siersplit – Ardenner grijs 22mm/45mm
