SEM 42043 White High Build Primer

Description

SEM 42043 White High Build Primer

The White High Build Primer by SEM (42043) provides a professional-grade foundation for automotive, metal, and fiberglass surfaces. Moreover, its high-build formulation fills minor scratches and imperfections, creating a smooth, uniform base for topcoats or color coats. The 16-ounce spray can allows for precise application, making it convenient for both professionals and DIY users.

Additionally, this primer adheres effectively to steel, aluminum, and fiberglass, preventing peeling or flaking. After application, it dries to a sandable finish, which allows easy surface smoothing. The white color highlights imperfections, enabling accurate sanding and preparation. Consequently, your final paint job achieves a flawless, professional appearance.

To apply, shake the can thoroughly and spray in even passes to cover the surface. The controlled spray pattern minimizes overspray and material waste. After drying, sand wet or dry to prepare for color coat or clear coat. Furthermore, the primer works seamlessly with SEM’s other refinishing products, ensuring consistent, high-quality results.

Its high-build feature fills shallow dents and minor surface defects, reducing the need for multiple layers or excessive sanding. Therefore, it saves time while guaranteeing a durable, smooth base for your paint. Whether refinishing car panels, repairing metal, or prepping fiberglass, SEM’s White High Build Primer delivers reliable results and excellent surface preparation.

By using this primer, you enhance adhesion, improve coverage, and achieve a long-lasting, professional-quality finish. In conclusion, SEM’s White High Build Primer provides the solid foundation every automotive project needs, ensuring your work stands out with durability and high visual quality.