Sem 42003 Highbuild Primer Surfacer Black 20oz Aerosol
by SEM

Price:  $30.45
MFG Part:  42003
UPC:  646786420030
Condition:  New

In Stock.

SEM High-Build Primer Surfacer Black - 20oz Aerosol

This high-build primer surfacer is a flexible acrylic coating designed for optimal adhesion on steel, aluminum, urethane, fiberglass, and plastics. It provides excellent filling properties, making it ideal for surface preparation before painting.

Benefits:

  • Superior adhesion for improved durability
  • Excellent filling properties for a smooth finish
  • Compatible with various substrates including metal and plastic
  • Easy to sand for a flawless surface
  • Can be topcoated with most refinishing materials

Ideal For:

  • Use on steel
  • Suitable for aluminum
  • Designed for plastic applications
  • Effective for SMC surfaces
  • Works well with fiberglass

Specifications:

  • 20 oz. aerosol can
  • Covers approximately 11 sq. ft. at 2 mil DFT
  • Recommended coats: 2-3 medium wet layers
  • Dry time: 1 hour
  • Flash time: 5-10 minutes between coats


$3045

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Specifications

  • Superior adhesion
  • Excellent filling properties
  • Suitable for multiple substrates
  • Easy to sand
  • Compatible with various topcoats

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 J. Campbell

Great Product

March 20, 2026

Fit and works perfectly. Would buy again.


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