This fast-setting, mould-resistant, and water-repellent product is suitable for both interior and exterior applications in dry or wet areas, including timber floors and underfloor heating. It coordinates in color with the Mapei Coloured Solvent-Free Silicone Sealant range and is designed to be colorfast. Ideal for joint widths ranging from 2 to 20 mm, it is perfect for use in kitchens, bathrooms, swimming pools, and underfloor heating systems.