Silentlight System is common light, sound insulation, and alternative for suspended ceiling simultaneously. Perforated metal tube is a shell for light components or sound-absorption materials. The shape is fixed with rivet nuts and end face cups made with the compact laminated panel. Light: aluminum profile with LED modules installed. Optical polycarbonate as a light diffusor being equidistant from light-source provides users with soft and shadeless light and also prevents them from blindness from LED dots. Acoustic: acoustic wool covered with non-woven fabric inside the tube.