Why does hydrophobic protection help prevent stains?

Cement joints are naturally absorbent and quickly soak up water, grease, and other liquids. This makes them prone to staining, discoloration, and mold—especially in damp areas like kitchens and bathrooms. A water-repellent—i.e. hydrophobic—protection ensures that liquids stay on the surface instead of seeping into the pores of the joint. This limits the chance for contaminants to penetrate or stick. The repellent effect also makes it easier to clean off dirt and moisture before permanent damage occurs. Hydrophobic protection not only prevents stains but also prolongs the durability of the grout. Lithofin KF Grout Protector provides this effect in a safe and long-lasting way.

Lithofin KF Grout Protector actively repels water, reducing the formation of stains in cement joints.

Lithofin KF Grout Protector is a ready-to-use, water-based impregnator that offers long-lasting protection against water and dirt absorption in cement joints. Thanks to its hydrophobic action, the product forms an invisible barrier that stops moisture from penetrating the joints. Stain-causing substances are thus prevented from bonding or soaking in. Cleaning becomes easier and the risk of permanent discoloration is reduced. Lithofin KF Grout Protector is ideal for kitchens, bathrooms, and other wet or high-use areas. It does not create shine, has minimal odor, and is completely solvent-free. The protection is fully active within 24 hours, after which the joints can better withstand everyday use. This keeps them cleaner, fresher, and free of stains for longer.