Underbody Coating
- As it's name underbody coating, is coating or insulation to underbody of an car for protecting it from corrosion, also protects parts like internal body panels, frame rails & outer inner cavity that are not physically accessible but high risk of corrosion.
- Types of underbody coating.
- Rubberized undercoating
Rubberized under coating is easy to apply & generally offers best protective coating for car undercarriage. It is safe to use on quater panel & wheel wells & dries with soft rubbery finish.
- Asphalt-Based undercoating
Asphalt bsed under coating offers high level of protection suitablr for large trucks, recreational vehicals & heavy machineary. It's formulated with some bits of rubberized material to reduce noise. It is only suitable for undercarriage.
- Polyurethane undercoating
Polyurethane undercoating is easy to apply & works by sealing up cracks & seams. The compound displaces salt and moisture & protects the unoxidised metal from rust.
- Wax or Paraffin based under coating
Wax or paraffin based undercoating spray are the cheapest and quickest option available, but it's result doesnot lasts long after few months again you may have to apply fresh coating. It offers modrate protection against moisture.
- Key features
- Volume
Vechical undercoating products comes in volume from 16 ounce to 5 gallons. A 16 ounce bottle is suitable for small car but RV or truckwill need a gallon jug to get the job done.
- Shelf life
Most premium under coating material have a shelf life of one year after being opened. Others can only lasts for few months then they start to wear off.
- Formulation
Formulation we choose depends upon our budget and how long you want the coat to last. Rubberized or asphalt type of undercoating are most expensive but single coating can lasts upto a year or longer depending upon environment.
Undercoating sprays prevent rust from damaging undercarriage

- Purposes of undercoating
- Minimize road noise
Over time vehicle's under carriage rattle a bit due to age & rust related calamities. Undercoat products are designed to full fill small spaces & reduce noise of vehicle, hence smooth driving experience can be felt.
- Provide additional protection
The undercoat formula provide an extra layer of protection against dust, moisture & corrosion.
- Heat insulaton
It insulates the interior of car from extreme temparature, so vehicle provides a comfortable cabin experience.
- Anti chipping property
If any stone hits the coating it does not get chipped away, hence protects the underbody from expouse to water
