Transparent liquid that protects and penetrates joints, making them impermeable to dirt, salts, mold, etc. It is easily applied for quick application, thanks to the special pressure valve and sponge that allows the steady flow of the product into the joints. Contains a special ingredient FungHalt™, which prevents the growth of bacteria, fungi, mold, and especially Aspergillus Niger, which is responsible for the unsightly black spots that develop in environments with high humidity.