MB-86 FOLD LINE HD
External folding (bi-fold) doors offer great freedom of use. They make it easy to take advantage of favorable weather conditions and virtually eliminate the barrier between the interior of a building and its surroundings. As a result, such doors can serve as an ideal wide transition from a house to a terrace or as a seamless connection between a café or restaurant and its outdoor area used seasonally.
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Maximum sash weight
120 kg
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Maximum door height
3,0 m
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Maximum door leaf width
1,2 m
The MB-86 FOLD LINE HD system is a highly convenient solution for everyday use while offering excellent technical performance and enabling the construction of large-scale structures. Bi-fold doors can open both outward and inward and can be configured in virtually any leaf arrangement. This is a modern product developed to meet the high expectations of users, architects, and investors.
Key features and advantages of the MB-86 FOLD LINE HD system:
- robust three-chamber aluminum profiles with a construction depth of 86 mm for the frame and 77 mm for the door leaves
- corner and panoramic solutions – the possibility of creating constructions with up to 8 folding leaves
- a central profile chamber equipped with thermal breaks 24 mm wide for frames and 34 mm for door leaves, ensuring excellent thermal insulation performance
- dedicated hardware designed for the MB-86 FOLD LINE system, providing smooth and reliable operation of door leaves weighing up to 120 kg
- large permissible dimensions, allowing door leaves with a height of up to 3000 mm and a width from 700 to 1200 mm
- the widest range of threshold solutions, including options with a rotating seal or a low, user-friendly threshold
- a wide glazing range from 13.5 to 61.5 mm, enabling the use of both double- and triple-glazed units, including specialized units with enhanced acoustic insulation or burglary resistance
- a high level of compatibility with the well-known and proven ALUPROF MB-86N window and door system – profile connections are identical to MB-86N, and selected profiles, gaskets, and accessories are shared by both systems