Industrial doors

40 mm

The all-rounder from Alpha

60 mm

The effective separation between climate zones

80 mm

The sectionaldoor with the best insulation value

Helix spiral doors

• Max. 5000 x 5000 mm
• Wind class 3 – up to 11 Beaufort – storm – up to 117 km/h
• Opening speed up to 1,1 m/s – with frequency control