SEM Rubberized Undercoating - 24oz Aerosol Can - Black

Why you'll want it

• Quiets road noise and vibration. The sound-dampening coating reduces road noise and vibration. It is made for the undercarriage of vehicles and trailers.
• Resists chips from rocks and debris. The textured finish resists chipping from rocks and road debris, so the metal underneath stays covered.
• Guards metal against rust and corrosion. The record says it protects metal surfaces from rust and corrosion, and the product is built for that job.
• Good timing for fall work. Fall is a good time to coat a trailer's undercarriage before winter storage, so the metal is protected before cold weather.

What it is

SEM Rubberized Undercoating is a black coating made by SEM and sold in a 24oz aerosol can. It is single-component, so no mixing is needed before use. It is paintable, so you can topcoat it once it has dried.

How to use it

1. Prep and prime the surface first. The coating is made for properly prepped and primed surfaces.
2. Hold the can 6 to 8 inches from the surface.
3. Apply 2 to 3 medium wet coats.
4. Allow a flash time of 3 to 5 minutes.
5. Use the straw included with the aerosol to reach tight spots.
6. Allow 30 minutes of top coat time before painting over it.

What else the job needs

Good to have on hand: primer for prepping the surface and a topcoat paint if you want to paint over the finish.