Waterless vs steam in basement parking: the method decides the price
Most UAE apartment dwellers meet mobile washing in a basement, and basements dictate method. Pressure washers and hoses are out: there is no drainage, buildings prohibit them, and municipal rules across the emirates treat wash runoff in shared parking as an offence. That leaves two legitimate technologies — waterless and steam — and they are not interchangeable.
Waterless washing uses a polymer spray that encapsulates dust so it can be wiped off without scratching. On fresh, dry UAE dust it works well, and it is the value option at AED 30–60 for a saloon exterior. Its limits are mud, old bird droppings and heavy post-rain grime; wiping caked dirt without water risks marring the clear coat, and an honest vendor will say the car needs a rinse-based wash first.