It is always best to consult with a professional before undertaking any type of painting project, but as a general rule of thumb, you should let the undercarriage of your truck dry for at least 24 hours before painting. This will ensure that the paint adheres properly and that the finish is smooth and even.
Other related questions:
How long does it take for undercoating to dry?
Undercoating should be dry to the touch within 30 minutes, but will take longer to fully cure.
How do you prepare underbody for painting?
You will need to remove any rust and debris from the underbody of your vehicle before painting. You can do this with a wire brush or sandpaper. Once the area is clean, you will need to apply a primer to the underbody.
Should you spray your undercarriage?
It is not necessary to spray your undercarriage, but it may help to prevent rust and corrosion.
Does undercoating stop existing rust?
No, undercoating will not stop existing rust.
- Your Guide to Undercarriage Cleaning and Protection
- What is a Car Undercoating and How To Do It – Carused.jp
- Undercoating: The Good, The Bad, and The Rusty – AvalonKing
- How to Clean the Undercarriage of Your Car in 8 Steps