Elegant Convex Design
Versatile Opening Types
Durable Lasting Values
With an increasing demand for larger vertical and horizontal spans a range of high static value mullions and transoms with a sightline of 60 mm.
| Glass Thickness | 2mm up to 68mm; glazing according BS 6262 |
| Drainage | mullion drained and pressure equalised as specified in BS 6262 |
| Thermal Insulation Uf | mullion drained and pressure equalised as specified in BS 6262 |
| Sound Isolation | depending largely upon the glass spec, the frame reduces the figure about 2dB(A) |
| Wind Resistance | 2400 Pa design- 3300 Pa safety – according BS EN 13116 |
| Water Tightness | up to 750 Pa; Class RE 750 acording BS EN 12154 |
| Air Permeability | up to 750 Pa; ClassAE 750 according BS EN 12152 |
inward and
outward opening
Typical Mullion
Typical Transom
Concealed Window
| Thermally broken | Yes |
| Glass Thickness | 9 – 48 mm |
| Full hidden Drainage | Yes |
| Thermal Insulation Uf | 2.3 W/m²K |
| Sound Isolation | |
| Rw (C;Ctr) | 45 (-1;-5) dB |
| STC | 46 dB |
| OITC | 37 dB |
| Wind Resistance | |
| Tested according EN 12211 | 2000 Pa |
| Classified according EN 12210 | Class B5 |
| Water Tightness | |
| Tested according EN 1027 | 600 Pa |
| Classified according EN 12208 | Class 9A |
| Air Permeability | |
| Tested according EN 1026 | 600 Pa |
| Classified according EN 12207 | Class 4 |
| Material | Aluminium (anodized/coated/brut) - PA 66 GF 25 - silicone - EPDM |
| Size Limitations | Size is limited by the combination of specifications and profiles applied. No principle limitations. |
Tour cost effective thermally broken Window Systemis a fully drained & pressure equalized system, open in or open out, glazed from inside or outside. Frames, transoms/mullions from 23mm up to 45mm and vents from 23 mm up to 58mm within our standard range.
Various window typescan be constructed. Like fixed lights, side-top and bottom hung with butt hinges or friction hinges/stays. Double casement (French windows) open in or open out, vertically and horizontally pivoting windows etc are available within this system.
Air permeability: Test pending
Water tightness: Test pending
Wind resistance: Test pending
Air permeability: Test pending
Water tightness: Test pending
Wind resistance: Test pending
Designed for modern architectural requirements, our curtain wall systems combine slim sightlines, mullion drainage and pressure-equalised construction. Each system is engineered to deliver durability, weather protection and design flexibility for a wide range of applications.
Discover Kömmerling’s comprehensive range of high-quality aluminium solutions – from windows and doors to versatile façade systems. Slim aluminium profiles, coordinated components and multiple opening configurations. Engineered for precise fabrication and everyday operation.
