DORMA RTS88 Series Overhead Concealed Door CloserThe RTS88 is designed to give lasting, dependable service where surface applied units and other types of closers are not suitable, or would interfere with the architectural design. It can be easily installed in wood, aluminum, or hollow metal doors and frames, for single and double-acting doors.Concealed installationFor single and double-acting doorsDependable and easy to InstallAesthetic advantagesArchitects are often challenged to design buildings that are both beautiful and functional, down to the last detail. The DORMA RTS88 overhead concealed door closer offers the perfect solution for those who prefer the aesthetic advantages of a concealed door closer.Vandalism protectionThe RTS88 is an excellent replacement closer for problem entrances encountering vandalism of surface applied closers.Benefits for the contractorContractors appreciate the RTS88 closer, because the majority of door and frame preparation is done prior to installation of the unit, resulting in less on-site machining.Resources:RTS88 Series Catalog