Our Transparent Waterproof Adhesive Contains Polyurethane Emulsion And Waterproofing Agent. It Can Provide Strong Waterproof Protection And Keep Dry. Colorless Formula, Perfectly Blends With Any Surface. Its Usage Method Is Very Simple: Clean The Base Layer Of The Wall As Thoroughly As Possible With A Brush, Cloth, Etc., But Try Not To Damage The Luster Of The Original Surface Layer. After Ensuring That There Is No Exposed Moisture On The Base Surface, You Can Open The Product And Use A Brush To Apply The Transparent Waterproof Glue Horizontally To The Base Surface. Please Pay Special Attention When Applying The Joints Of Decorative Tiles. After The First Layer Of Waterproof Coating Dries And Is No Longer Viscous, The Second Layer Can Be Applied Vertically. It Can Generally Be Applied Longitudinally 2 To 3 Times. And It Uses Advanced Formulas To Create A Strong And Long-Lasting Protective Barrier On The Base Surface, Effectively Resisting Water Penetration. Say Goodbye To All Kinds Of Problems Related To Moisture, Leaks And Unsightly Stains.