Our Multi-Functional Transparent Waterproof Adhesive Contains Polyurethane Emulsion And Waterproofing Agent. It Uses An Advanced Formula To Create A Strong And Long-Lasting Protective Barrier On The Base Surface, Which Can Effectively Resist Water Penetration. Say Goodbye To All Kinds Of Problems Related To Moisture, Leaks And Unsightly Stains. Transparent, Durable, With Strong Adhesion, Waterproof And Uv-Resistant, Effectively Isolating Air, Water And Moisture. Its Usage Method Is Very Simple: Clean The Bottom Layer Of The Wall, 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 Paint Dries, If It Is No Longer Sticky, You Can Apply It Vertically Again (Usually 2-3 Times, Crossing The Application). And It Can Be Widely Used, Suitable For Various Surfaces, Including Wood And Walls. Concrete, Brick And Stone, Etc. It Is Highly Suitable For Decks, Fences, Driveways, And Countless Indoor And Outdoor Spaces That Require Waterproof Safety Protection.