In the lamella system, wooden slats are designed horizontally according to a certain axis according to the requested clearance ratio. It offers two options as open and closed linear depending on the choice of space between two laths. In addition to its acoustic reflectivity, if sound absorption is requested, perforation can be opened on the lath and acoustic application can be made behind it. It is a preferred system in school projects, offices, shopping malls, conference halls and residences.