1. Clean the wall fungus by brushing or with high pressure water spray
2. Wait a day for the wall to dry, then use AJ WaterProof by spraying 2 coats evenly
3. After a day, pour some water onto the wall, you will see water flowing down as a result of the protection, then you can start re-painting the wall.

Yes, you may still apply AJ WaterProof on it. You can see results the next day just by pouring water on it, you will see water flowing down and not seeping into the wall. The wall will also be self cleaning all the time.

Yes, just apply AJ WaterProof by spraying over roof tiles, it is better to apply 2 coats for long lasting performance.

Repair washroom floor if there is any damage grout using AJ Multipurpose Hard Filler.

1. Repair floor water trap area
2. Refill any loose grout between tiles
3. After 24 hours, use a small brush to apply AJ WaterProof to water trap area, all grout area and between tiles
4. After 8 hours, you may use the washroom.

Yes, if used as primer, you do not need wall sealer anymore as your walls will be prevented from fungus growth for at least 7 years. (Must use weather proof emulsion paint for external walls)

To prevent water penetration into cement walls which will damage the concrete and cause fungus growth.

1. Wall – Apply by using spray cans (plastic type) to maximize usage, apply a 2nd coat for better performance.
2. Floor – Apply on the tile gap areas with a small brush.

Most of the natural stones, red bricks, sand stones and clay products are suitable.

Yes, you can apply AJ WaterProof on external walls to prevent fungus and UV resistance maintenance free.