Vinh Tuong FineLINE Plus exposed ceiling grids can be used in most small scale projects and buildings, such as: private houses and offices. Key facts New ratchet with a tighter connection and sag resistance Easy to install, saving time for construction Easy for the maintenance or repair of mechanical and electrical systems above ceilings Application Suitable for use as part of the construction of exposed grid ceiling systems for reveal edge and trim edge tiles Manufacturing Standards American Standard ASTM C635:13a