Picture Car Glossary
wetdown
What is a wetdown?
Updated June 2026 · Revolution Picture Cars
Also called wet down, or water truck pass.
A wetdown is a practical technique used on exterior night shoots in which roads, sidewalks, and surrounding surfaces are deliberately saturated with water before filming to create reflective, glistening surfaces that catch and multiply light sources.
For picture car scenes, wetdowns dramatically enhance the visual quality of night driving shots by adding depth, dimension, and cinematic richness that a dry surface cannot provide. A dedicated water truck or fire hose team keeps the surface wet between takes throughout the night shoot.
Example
Streets are soaked before a night exterior so the surface holds reflections and reads richer than dry tarmac. It also changes grip, so any driving on a wet-down surface is re-rehearsed rather than assumed.
Figures are illustrative, chosen to show the mechanics rather than to quote market rates.
Where you'll see it
Run by transportation and special effects, and a factor in every night driving sequence.
Common mistake
Rehearsing dry and shooting wet. Wetting a surface changes grip, so any driving on it is re-rehearsed rather than assumed to behave the same way.
Related questions
- Why are streets wet down for night shoots?
- Wet surfaces hold reflections and read richer and deeper on camera than dry tarmac, which is why night exteriors are almost always wet down.
- Does a wetdown affect driving?
- Yes. Grip drops, so stopping distances and cornering change, and the sequence is re-rehearsed on the wet surface before it is shot.
Official sources
Sourcing picture cars for a production? Find, vote on, budget, and book them in one place with Revolution, free for productions.
See how it works