• 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

  • 1K HS Semi-Gloss Clear

    1K HS Semi-Gloss Clear is a mid-gloss, aerosol, acrylic clearcoat for duplicating OEM lower gloss panels.

  • Heavy Bodied White Seam Sealer

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

  • 1K Sprayable Seam Sealers

    1K Sprayable Seam Sealer is a high performance, modified silane polymer seam sealer for duplicating OEM sprayed seams and sound dampening pads. 

  • 1K Sprayable Seam Sealer Applicator

    A premium applicator specifically for SEM 1K Sprayable Seam Sealers

  • Copperweld Primer

    Copperweld Primer is a weld-through primer for superior corrosion protection between welded substrates.