Car Door Panel Vapor Barrier

Provides water vapor protection.

Car door panel vapor barrier.

It is installed between the door panel and the door. It comes in a 12 feet roll and is shipped in a 3 inch tube for protection. It provides a degree of water protection to your inner door and is designed as a vapor barrier. The black goo that holds the vapor barrier is made by 3m.

This is a universal fit paper shield with a black plasticized film on one side. The vapor barrier keeps the odd drip from the window from splashing on the window mechanism and wetting the speakers and other electronics in the door panel but if you are getting enough water to wet the carpet there must be a blocked drain hole. If left unchecked this moisture will work its. It is installed between the door panel and the door.

It provides a degree of water protection to your inner door and is designed as a vapor barrier. When this happens you might find water puddles in the car have a constant damp smell find water stains on the lower edges of your door. Slight amounts of moisture will inevitably seep in around your door and window seals. One example of a coverlay oem style inner door panel.

Whether the barrier piece is styrofoam based or a plastic sheet it will typically be glued on with a rubbery sealant. You are correct art1966. Over the course of years they can become brittle and the adhesive will break down and no longer make a good seal. If your vehicle is newer you may encounter a fitted vapor barrier inside the door panel that will have to be removed first in order to clean window tracks.