SEM® 42043 - 16 fl. oz. White High-Build Aerosol Primer Surfacer

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Vehicle Fitment

This part is universal

Product Details

16 fl. oz. White High-Build Aerosol Primer Surfacer (42043) by SEM®. High-Build Primer Surfacer is a flexible acrylic coating for priming steel, aluminum, urethane, fiberglass and plastics. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.


Color: White
Volume: 16 fl. oz.
Coverage: 11 sq. ft. at 2 mil DFT
Coats: 2-3 medium wet
Dry time: 1 hr
Flash time: 5-10 min between coats
Applications: Steel, Aluminum, Plastic, SMC, Fiberglass


  • Provides superior adhesion
  • Excellent filling properties
  • Works on multiple substrates, including metal and plastic
  • Easy to sand
  • Topcoat with most refinish material

SEM® American manufacturing. The employee-owners of SEM engineer best in class products to reduce repair times, steps, and waste for the automotive, aerospace, marine, and industrial markets. From intelligent product design to technical support, the "built better" promise is engrained in SEM DNA.

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SEM® 42043 - 16 fl. oz. White High-Build Aerosol Primer Surfacer

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