Aluminum inspection flaps with gypsum board.
The flaps are made of welded two frames of aluminum angles, suitably fitted with clearance. Filled with gypsum board - Hydro board H2 (GKBI) 12.5 mm or 25 mm. Locked with two ratchet locks that open the flap when it is pressed. To prevent self-immobilization, hang the door leaf and fasten it with a carabiner. The flaps are installed in the walls and ceilings, for easy access to valves, switches and other devices.
Internal dimensions in mm Width x hights
External dimenstions in mm Width x hights
|200 x 200||250 x 250|
|300 x 300||350 x 350|
|400 x 400||450 x 450|
|500 x 500||550 x 550|
|600 x 600||650 x 650|