SEM 39803 Clear Chip Guard 20 oz Aerosol
SEM 39803 Clear Chip Guard is a durable automotive acrylic coating designed to protect lower body panels from impact, stone chips, road debris, and abrasion. Its clear finish makes it an excellent choice for automotive refinishing and restoration projects where protection is needed while maintaining the appearance of the underlying finish.
OEM-Style Texture Protection
This professional chip guard can reproduce a wide variety of factory-style textures. Depending on the application technique, users can create textures ranging from fine to coarse, making the coating useful for matching existing OEM finishes after body repairs.
The clear formulation allows the coating to provide additional protection without introducing a black or colored finish. Therefore, it is especially useful on repaired or refinished lower body areas where maintaining the existing appearance is important.
Protection Against Chips and Abrasion
SEM 39803 helps protect vulnerable automotive panels from everyday road hazards. Lower rocker panels and similar areas frequently experience impacts from gravel, stones, debris, and other materials thrown from the road.
By creating a durable protective layer, this coating helps reduce damage caused by impact, chipping, and abrasion. SEM specifies the product for properly prepared, primed and painted surfaces as well as SMC and fiberglass.
Convenient Aerosol Application
The 20 oz aerosol format provides convenient application without requiring dedicated spray equipment. According to SEM, the recommended application is 2–3 medium wet coats, allowing approximately 5–10 minutes flash time between coats. The specified topcoat window is approximately 2–4 hours.
This combination of convenient aerosol application, texture control, and durable protection makes it suitable for professional collision repair, automotive restoration, and refinishing work
Features
- Protects lower panels from impact, chipping, and abrasion
- Duplicate a wide variety of factory textures
- Available in aerosol and ready to spray quarts
- Full texture spectrum from fine to coarse




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