Underbody Coating
What is Underbody Coating?
Underbody coating provides long term protection from corrosion to car's underbody.Under body coating of car which are used in foreign have more underbody coating than car used in india due to their rules and regulation.
Types of Under Coating:
- Rubberized Undercoating.
- Asphalt-Based Undercoating.
- Polyurethane Undercoating.
- Wax or Paraffin-Based Undercoating.
Pupose:
It's necessary to use the correct undercoats to allow paint to do its job properly. Undercoat is required to prepare the surface for painting. If you are transitioning from a dark to a light colour, the undercoat will help to wipe out the colour beneath.
An undercoat is used after a primer and to fill any minor imperfections to create a smooth, even-coloured surface ready for the application of the topcoat. An undercoat also assists to lighten a surface when changing from a dark to a pale colour.
Pros:
- Underbody coating provides long term protection from corrosion to car's underbody.
- It also protects parts like internal body panels, frame rails and other inner cavities that are not physically accessible but are prone to corrosion.
- An undercoating is great, especially in an environment that is not always dry, such as in Seattle.
Cons:
- It can get into your metal wires and cables, affecting any component which is comprised of steel or aluminum.
- Even your transmission and engine have exposure to rust when there isn't a vehicle undercoating applied.
- Undercoating will not help you if corrosion already exists and the corrosion needs to be removed first before it can be applied, which can be expensive.
- Consumer Reports recommends that car buyers skip the undercoating
Underbody Coating;
Thickness measured is done using Elcometer.
Composition analysis is done using NITON XLT.