Sulcus (8111 profile), Linear Plaster-in moulding, high density polystyrene foam, white plaster, 8ft length (heatsink & LED strip not included)
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 ush 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!