• About SEM

    SEM is a leading manufacturer of innovative paints, adhesives and coating products. Our products are developed to exceed your automotive, aerospace and marine repair and refinishing needs.

  • Tech Support

    If you ever need any help or have questions about our products, feel free to call our technical support line. You’ll be greeted by a real person right away. Go here to get in touch.

  • Made in the USA

    We’ve been in business for more than 65 years and we promise to continue to deliver quality American made products.

New Products

  • Heavy Bodied White Seam Sealer

    Heavy Bodied White Seam Sealer seals interior or exterior joints and voids for painting in 30 minutes.

  • World Class™ Waterborne Flexible Primer

    World Class Waterborne Flexible Primer is a water-based elastomeric surfacer designed for automotive bumper refinishing.  

  • World Class™ HS Urethane Primer

    World Class HS Urethane Primer is a premium, high build, two-component, urethane primer formulated for use on automotive substrates.  

  • World Class™ DTM Primer

    World Class DTM Primer is a compliant, two-component epoxy that provides bare metal adhesion and filling in one product.

  • Carbo Fill Plus

    Carbo Fill+ is a water and rust proof carbon fiber enriched filler that offers exceptional qualities for repair of SMC, fiberglass, PP, aluminum, and steel.