ARDEX A50 is ideal for:- repairing and refacing concrete stair treads and risers, cement/sand screeds, concrete floors etc; filling and patching cracks, etc, in walls, ceilings, sofits etc; making good around door and window frames, around pipe work etc; forming ramps from 1.5mm to normal screed thicknesses; forming coves etc, prior to applying in-situ resin floorings.A suitable covering/coating is required if used as a permanent wear surface.