The TG type transfer grille is suitable for mounting in walls or doors where transfer ventilation is required between adjacent areas. The range features single core sightproof TG grilles and the double core lightproof T/TG types.
The various frame configurations are all available with an optional removable core. (Not suitable for door mounting). Intumescent core blocks (type BV60) with a 1 hour fire rating can also be supplied to fit between cores where the partition depth is suitable