Lime stucco, mortars and plasters ARDEX R4 - Rapid white cementitious repair filler €25.09 Rapid white cementitious repair putty for repairing and smoothing walls, ceilings and floors. Filling of cracks, holes, cracks, smoothing of plasterboard joints for the subsequent application of wallpapers, paints, dispersion plasters and any other wall coverings. Use in interiors. Add to cart