External steel hatch Q
- Sound insulation Rw: 34 dB
External hatch used in residential buildings, multi-storey apartment buildings, industrial buildings or offices.
- Maximum dimensions of the hatch frame are 1410 x 2910 mm and minimum dimensions are 450 x 500 mm.
- Hatch leaf is 64 mm thick. Rebates are at all sides. External and internal sides are made of 1,0 mm hot-dip galvanized steel sheets connected with rivets.
- Insulation material is mineral wool. There are 2 hinges with ball bearings.
- Frame is made of hot-dip galvanized steel sheet profiles with a thickness of 1,5 mm, connected at the corners with screws and rivets.
Hatches meet the requirements according to the product standard EVS-EN 14351-1:2006+A1:2010.