Add smooth internaly lit grooves to your walls using the
SULCUS gypsum profile. It is supported on 2×3in. joists or studs,
and will level out flush with 5/8 in. gypsum panels, with a little
drywall tape and mud. Paint to match your decor, and enjoy the
smooth look as well as the admiration of others!


Form made of architectural-grade extruded polystyrene foam for stiffness and a high R-factor,
exterior surface reinforced with fiberglass for rigidity, finished in white plaster that is primable
and paintable like a regular gypsum panel.
• Flush installation with standard 5/8in. gypsum panels, over 2x3in. wall/ceiling beams.
• Direct fit for the 1100 and 1200 profiles in 6063-T5 aluminum for superior heat dissipation,
allowing the use of the full range of 1000 Series lenses, for full control of the lighting effect.
• Designed to give a uniform light without hot spots with the 1200 Alu profile, an optiflex lens and
a strip or PCB of 120 LEDs per meter or more.
• Application guide for 10mm (3/8-inch) LED strip or less.
• Available in sections of 8 feet (2.4m).

Fire Rated Material Type : NFPA CLASS C
(tested under ASTM E84. Similar to UL723, ANSI/NFPA No. 255 and UBC No. 8-1.)