The roof bracket type GPNK 01 is intended for the installation of round conductors with a diameter of Ø 8 - Ø 10 mm. It consists of a plastic support and a cover with a diameter of Ø 148 mm. It is simply filled with loose materials (sand, shovel) available at every construction site. We can deliver filled with concrete, and then it has the mark GPNKB 01 . It is made according to regulations and standards.
