Bond it STERI-GROUT Mould Resistant Flexible Floor Wall Tile Grout 3KG Description: A specially formulated, polymer modified cement based floor and wall tile grout. Recommended for sanitary installations ie. kitchens, bathrooms, toilets and shower rooms. Containing a strong fungicide it will also inhibit black spot mould growth. Conforms to EN 13888: CGW2. Uses STERI-GROUT is suitable for use in areas of limited movement/ vibration so ideal for use over timber ply-boards and heated subfloors. Recommended for sanitary installations ie. kitchens, bathrooms, power showers, toilets and shower rooms. This grout has excellent adhesion characteristics to porcelain and fully vitrified tiles, has low permeability and reduced dirt pick up. Containing a strong fungicide it will .