Metal Line 87/6 and 88/6 are two flush recessed skirting boards for plaster and plasterboards. Both are composed of two separate elements: a base in natural aluminium and an insert in silver anodised or matt white colour-coated aluminium. Once installed, the skirting board integrates perfectly into the wall surface, outlining the perimeter of the space without limiting it. There are two different phases of installation: the base element must be installed when the room is still in its rough state, while the chosen insert must be put after the laying of the floor.