Areas of Application For interior and exterior use. Suitable for walls and floors, for joint widths from 1–6 mm. Color?stable and chemically resistant grouting of ceramic tiles, slabs, clinker, split tiles, and mosaic in areas where cement-based mortars are insufficiently resistant or durable—e.g., moderately loaded commercial kitchens, workshops, car washes, swimming pools and spa facilities, shower rooms, bathrooms, retail areas, sports and leisure facilities, commercial floors, and other environments subject to chemical or heavy mechanical loads.