EFP 50 FSS is a pressure equalised, mullion drained, thermally broken curtain wall system which consists of 50 mm wide mullions and transoms.
The external vertical and horizontal sightline (Joint seal) is 20mm. The joint seal is made of extruded EPDM or Silicone, compatible with most silicone sealants, optional this joint can also be made out of silicone sealant. Various FEATURE cover caps are available for this system.
EFP 60 FSS 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 | The system is glazed from the outside. Glass should conform the requirements of BS 6262 for thickness and type, in terms of wind resistance, safety and security. |
| Drainage | The system is mullion drained, achieved by meeting the requirements of “Ventilated and drained glazing system” as specified in BS 6262 |
| Thermal Insulation Uf | Standard configuration: Class 2.1 in accordance with DIN 4108 (2.0-2.8 W m2 K) or EN ISO 10077-1. The thermal transmittance (Uf) W/m2 K, is depending on the insulator strip, this as calculated as per EN ISO 10077-1. Comparable with class 2.1 DIN 4108-4 Table 3 |
| Sound Isolation | Depending largely upon the glass specification, generally the curtain wall framing reduces the figure by 2dB(A) |
| Materials | The system is constructed from extruded aluminium profiles, using alloy 6063 complying the requirements of BS 1474.The thermal barrier system is achieved by means of PVC/PP extrusion. |
| Construction | Any instructions regarding the manufacture and installation of the system must be strictly adhered to. |
| Weathering | Glazing vision strips are made of EPDM conforming to BS 4255 Part 1. |
| Performance/exposure category | The system will achieve the following criteria when manufactured, installed and glazed to EFP recommended procedures. |
| Air permeability | BS EN 12152 – Class AE 750 |
| Water tightness | BS EN 12154 – Class RE 750 |
| Wind resistance | BS EN 13116 – 2400 Pa design – 3600 Pa safety (2400 Pa is dependent upon correct mullion and transom selection to suit span and spacing by project.) |
| Size limitations | The size limitation of the system depends mainly on the mullion/transom members used to suit the span, spacing and wind/dead loads, which are specific for each individual project. |
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 aesthetics, thermal efficiency and reliable performance. 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. Each product combines precision engineering with timeless design and is engineered for maximum efficiency and durability.
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