Closed upper part made of sheet steel for BKB 250x85mm, length 1m. 2 x 1 m closed upper parts for rooms with dry-cleaned floors. The 1000 mm upper part consists of a blind cover and a wall-side floor stop profile, adjustment range 0 - 25 mm. The upper part with floor pan is earthed using attached earth lugs. The upper part must be replaced with the assembly cover before the finished floor is installed.