Fieger Louvre Window – Type FLW 32 SmoTec (NSHEV)


The Fieger FLW 32 System of louvre windows represents 20 years of design development, resulting in a high performance and versatile natural ventilator. It has been installed in a variety of applications, and is the go-to product for end of corridor smoke venting requirements.

Key Features:
Certified in accordance with EN 12101-2
Thermally broken extruded aluminium frames, with double or triple-glazing.
Louvres flush-fitting with external frame when closed.

Frame depth: 77 mm
Frame height:
Horizontal elements: 40 mm
Vertical elements: 40 mm
Louvre blade frame height: 21 mm
Louvre blade frame depth: 49 mm
Maximum frame width: 2500 mm
Louvre Opening: 0 to 85 degrees max.

The Fieger FLW 32 System has a concealed operating mechanism, comprising maintenance-free rack and pinion, providing smooth, synchronized operation of the louvre blades. The blade height varies from 200 to 450 mm and has an anodized or polyester powder finish to a standard or non-standard RAL colour.

Ready glazed with either 28 mm or 32 mm double-glazing, 32 mm triple-glazing or insulated aluminium panels.

Useful Tech Data:
Performance: Air permeability Class 4 – EN 12207 (< 0.4m3/hr m2 @ 50 Pa)
Watertightness Class 3 – EN 12208 (200 Pa)
Coefficient 0.57 – EN 12101-2
Wind pressure up to 3000 Pa – EN 12101-2
U-value 1.3 W/m2 K (triple-glazed): 1.6 W/m2 K (double-glazed)
Barrier loading BS 6180: 2011

Installation: Standard fixing adapters available for:
• Curtain-walling
• Glazing systems
• Masonry openings

Control: The following actuators are available as NSHEV tested:
• D + H type LDF 100/60 – 24V DC
• D + H type LDF 100/70 – 24V DC
• WSS type 6000 – 24V DC & 230V AC
• Gröninger LS 1400 – 24V DC & 230V AC
• Gröninger ML 1500 – 24V DC
• GU Eltral S 24 LAM – 24V DC
• STG Beikirch FLA 1200 – 24V DC
• Windowmaster WML 860 – 24V DC


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Founded in Germany in 2000, FIEGER is now a leading manufacturer & global supplier of louvre windows. Their range consists of single, double and triple-glazed units. They can meet virtually any ventilation requirement, including emergency smoke...
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 4th Floor, 399-401 Strand, London, WC2R 0LT

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