February 24, 2017


EFP 50 TSH CURTAIN WALL system enables the construction of attractive 2 sided structural glazed curtain walling, with the benefits of slim horizontal (TSH) sightlines or if desired horizontal design features by using different cover caps.

This thermally insulated system consist of many of standard profiles and many custom made profiles are available up on request.

Specification summary:

EFP 50 TSH is a pressure equalised, mullion drained, thermally broken curtain wall system which consists of 50 mm wide mullions and transoms. The external vertical sightline (Joint seal) is 20mm. The joint seal is made of extruded EPDM or Silicone profiles, compatible with most silicone sealants, optional this joint can also be made out of silicone sealant.

Various cover caps are available for this system.The smallest sight line can be achieved using a 50mm wide cap. Cover caps have a typical edge radius of 1.5mm, edge radii for even distribution of the powder coating layer.

Specification summary continued:
  • Glazing — 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 inBS 6262
  • Thermal insulation — 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 insulation — 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.
  • Classifications:
    • 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 (Pascal’s) is dependant 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.

Other options within EFP 50 TSH