![SEM High-Build Primer Surfacer - 20oz Aerosol Can - White [42043]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/sem-high-build-primer-surfacer-20oz-aerosol-can-white-42043.webp)
Description
High-Build Primer Surfacer – 20oz Aerosol Can – White
High-Build Primer Surfacer is a flexible acrylic coating for priming steel, aluminum, urethane, fiberglass, and plastics.
Features:
- Provides superior adhesion
- Excellent filling properties
- Works on multiple substrates, including metal and plastic
- Easy to sand
- Topcoat with most refinish material
Applications:
- Steel
- Aluminum
- Plastic
- SMC
- Fiberglass
Properties:
- 20 oz. Aerosol
- Coverage: 11 sq. ft. at 2 mil DFT
- Coats: 2-3 medium wet
- Dry time: 1 hr
- Flash time: 5-10 min between coats
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