
Originally Posted by
ironman06
I had this issue initially. Paghugas ko sa car, it didnt bead and sheet. I contacted TD, tapos sabi niya, it wont talaga if the car is dirty. That time, naulanan yung kotse and nalagyang ng napakaraming dumi from the tree where it was parked.
True enough after removing the dirt, it beaded and sheeted like it was supposed to do.
So my tip is, if dirty talaga, remove the layer of dirt first. Yung dirt covers the coating below and is the one trapping the water.