The ISO 40 mm sectional door is Alpha’s best selling door. The door combines excellent heat-insulating and sound-absorbing properties with modern design, mainly microprofiled but stucco and smooth-profiled panels are also available. The possibilities in design and detailing are very wide, which makes the door perfectly configurable for every situation. Choose from numerous window variants, heights and widths and a pallet of 19 standard RAL colours from the Alpha house collection.

Flexibility is everything

ISO 40 mm sectional doors are designed and manufactured using the very latest technology. Their finish is robust and detailed, as demonstrated by the metal or aluminium end caps, the reinforcement profiles and the anodized aluminium sub-profiles, which cannot be seen from the outside. Flexibility is everything in the manufacturing process, and it is a true all-rounder that perfectly combines price, performance and application options.

• Panel thickness: 40 mm

• Insulation value: U=0,52 W/m2K

• Density PU foam: 40 kg/m3