Skirting (H 55 x D 20 x L 2000 mm) - Stair nosing (H 40 x D 80 x L 1500 mm) - Surface: Natural-oiled - suitable for underfloor heating systems Product description: LARCH 3-layer-construction; micro-bevelled edges, top and bottom layers made of same specie for improved stability and balance. Coniferous middle layer promotes a flat surface, which enhances durability. Surface full of natural character. The colour differences caused by a surface treatment, which uses special lye, are a characteristic feature.