Air-tight, waterproof steel door

Material:
- High class galvanized steel originated from Japan.
- All hardwares follow Japanese's standard. 
Application:
Outside door to prevent strong wind and rain
Closed room, prevent losing air pressure
Installed at rooms with pressure gap
Hospital
Hotel
Airport
Factory
Flooded area
Advantage:
  • Apply modern technology from Japan
  • Tested and certificated wind pressure, waterproof, air-tight JIS A1515, A1516, A4702
  • Air-tight rank A-4 (JIS 1516, JIS4072)
  • Waterproof rank W-5 (JIS1517, JIS 4072)
  • Resistance against wind pressure rank S-6 and 7 (JISA 1515, Jis 4072)
  • S Tight: can withstand up to 1 meter in water height
  • W Tight: can withstand up to 3 meter in water height.
Color:
Hardware:
Curtain samples: