A Fold Line

Eliminates the barrier between the interior space and its surroundings.

Thermal insulation Uf

from 1,5 (W/m²K)

Air tightness window
(EN 12207) CLASS 4


Wind tightness


ECO A86 FOLDLINEBi-fold system with Thermal Break, specially designed to cover large openings. Its design is distinguished by its versatility. It has a great range of configuration options of up to 8 panels. Capability of outside and inside opening. ADA compliant, allows sill to insert be set in pavement or subfloor, leaving the threshold completely hidden. Additionally, the rollers and wheels may be hidden in close position. Modern product, designed to meet the high demands of users, architects and owners.
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  • three-chambered, durable aluminium profiles of a structural depth of 86 mm for frames and 77 mm for door leaves

  • central chamber of the profiles is equipped with thermal break (24 mm-wide for frames and 34 mm-wide for door leaves)

  • providing excellent thermal insulation performance.

  • specialized and dedicated hardware for MB-86 FOLDLINE ensures comfortable operation of the door leaves of a maximum weight of up to 100 kg

  • large dimensions of the construction enable the fabrication of doors that are up to 2700 mm high and 1000 mm wide

  • threshold solutions in different versions: classic, with edge sealing or convenient, with a low-level threshold

  • a large range of glazing from 14 to 61.5 mm to enable the use of single and double glass units, including specialized,more performant units in terms of sound insulation or burglary resistance

  • important degree of compatibility with the well-known and highly appreciated window & door system ALUPROF MB-86:profiles are jointed the same way, and some profiles, gaskets and accessories are common to both systems


Depth of frame 3
Depth of leaf 3 3/8
Glazing range frame: up to 2 5/16
sash: up to 2 11/16

Size & Weight Limitations

Maximum size (H×W) H to 110 1/4 W to 67
Max weight lbs 331
Air Permeabilityto class 4, EN 12207
Watertightnessto class 9A (600 Pa), EN 12208
Windload resistanceclass C1, EN 12210
Thermal insulation (Uf)from 1,5 W/(m

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