Invisible Waterproof Agent 100g (package size: 5.5 x 6.2cm), Transparent Waterproof Insulation Sealant for Outdoor Home How to Use: 1. Find the correct leaking source, clean and dry the surface, make sure there is no dust, silicone, loose paint, rust, oil, grease, coal tar or anything that will hinder adhesion. 2. Apply the sealant evenly and thinly with a brush or roller. 3. After the first layer is dry (wait at least 24 hours), apply the second layer in the opposite direction to ensure even coverage. 4. Wait 24-72 hours to dry. Curing depends on temperature, humidity and airflow. During this period, avoid contact with water on the applied surface.
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