The SF85 is a thermally insulated aluminium folding system designed for very large openings, combining exceptionally slim profiles with high performance and smooth, reliable operation. Its minimal design and wide range of configurations make it a versatile solution for contemporary architectural applications, while its excellent thermal insulation contributes to increased energy efficiency and reduced operating costs.

Key Features

• Large-scale applications, accommodating openings up to 4.0 m in height, sash widths of up to 1.5 m and virtually unlimited overall construction widths.
• Minimal and versatile design, featuring exceptionally slim visible aluminium profiles and a wide selection of sash designs, including standard, minimal, steel-look and semi-structural options. A variety of configurations are available, including single and double sash combinations, corner solutions, inward or outward opening and low-threshold options.
• Outstanding performance, offering excellent air permeability, wind load resistance and watertightness, combined with high thermal insulation for significant energy and cost savings.
• Security and long-term functionality, providing high levels of burglary protection together with smooth operation and reliable, durable performance.

• General Characteristics
• THERMALLY INSULATED
  Yes
• AESTHETICS
  Minimal design with minimal visible aluminium
• ROLLING TYPE
  Bottom rolling
• PANEL TYPES
  Standard, minimal, steel-look, semi-structural
• APPLICATIONS
  Luxury residences, commercial buildings
• Technical Specifications
• SASH WIDTH
  85 mm
• GLAZING
  20–53 mm, 34–75 mm (structural)
• POLYAMIDES
  Double 40 mm
• INSULATION MATERIALS
  NRG Bar, PE foam
• CENTRAL GASKET
  Single double-extruded gasket (EPDM, foam)
• LOCKING
  5-point locking (door), 4-point locking (intermediate sashes)
• VISIBLE ALUMINIUM
  86 mm urban & minimal / 105 mm standard
• MAXIMUM WEIGHT
  200 kg per sash
• MAXIMUM HEIGHT
  0 m
• MAXIMUM PANEL WIDTH
  5 m
• Performance
• WATERTIGHTNESS
  7A / 9A (with subsill), IFT
• AIR PERMEABILITY
  Class 4, IFT
• WIND LOAD RESISTANCE
  Class C3/B3, IFT
• BURGLARY RESISTANCE
  RC2 IFT & PAS24 (UK)
• SOUND INSULATION
  46 dB
• Features
• THERMAL INSULATION PERFORMANCE
  0 W/m²K, IFT