Super easy to use, this UniBond ReNew Sealant is perfect for renewing yellowed, mouldy sealant. It is a water-based, ready-to-use coating with excellent mould resistance for sanitary applications and it offers easy application and a professional finish. Ideal to cover a standard bath and shower, simply apply this new, fresh, smooth sealant directly on top of the existing sealant, no need to remove the old sealant. Apply directly from the unique applicator bottle with a smoothing tool, as a coating over existing silicone sealants to improve their appearance. Suitable for vertical and horizontal triangular joints, the sealant provides a triple protection system to assure long-term mould resistance with excellent adhesion.