Home Products Exterior Walls Cement-based plasters Cement-based plasters A cement plaster gives a natural, matte look to the exterior wall. Smoothing plasters For a perfect result, interior and exterior walls should be levelled out and restored. Underlayment With the right underlayment, your home will always be able to breathe! Decorative wall plasters: single-layer With decorative plasters, your façade will be watertight and vapour-permeable. Decorative wall plasters: thin-layer Our thin-layer decorative plasters are ideally suited for wall insulation systems.