Seem 4 LED Perimeter



Cut sheets


Installation instructions

IES files

Revit files

Reference files



    Narrow 4" aperture perimeter slot LED luminaire for grid, drywall or hard surface applications.

    Standard optic provides even illumination.

    Grazer optic beautifully highlights textured walls and architectural details.

    Asymmetric room fill optic offers best efficacy and uniformity to illuminate rooms and corridors.

    Flush, 2.5" Regress, and 4.0"Regress lenses available.

    Adjustable housing option provides flexibility with +/- 3 inch adjustability for wall-to-wall illumination.


    Linear LED boards create seamless lines of light without pixels or shadows.

    Lens material is optimized to provide the perfect blend of high performance and visual comfort.

    Preferred Light: Lighting for better color rendition and human preference


    Wall to wall and patterned perimeter accent lighting.

    Corridors and elevator lobbies.

  • Right Light

  • Connected Solutions

  • Preferred Light

    Preferred Light

  • PoE Compatible

Bringing It All To Light®

American Made

Design, engineering, manufacturing, fabrication, assembly, testing, customer service, shipping, billing... it all comes from the middle of America, out of our Chicago headquarters and manufacturing facility. Because we are joined by hallways not highways, we have total control over everything needed to supply high quality products, superior service, and fast delivery.

Engineering & Customization

Our vertically integrated operations allow us to create exceptional luminaires that stand the test of time and to provide superior service and support. Unlike some companies out there, we don’t just make lighting. We create lighting, turning what’s in your head into lighting that goes over it. Count on our team to help you customize our luminaires to deliver the lighting look, feel, and edge you want.

Customer Support

Our team is here to support you, from the very early stages of the specification process through to installation. From our outside sales team, to our knowledgeable quotation professionals, dedicated project managers and field service experts, our goal is to ensure every project goes smoothly, from start to finish. We are your partner, every step of the way.