Forster thermfix light | Transom/mullion facade

Facade systems from Forster Profile Systems

Product description

Curtain walls, doors and windows with thermal break in stainless steel, fire resistant doors and screens EI30 as well as fire-resistant sliding doors EI30 in stainless steel

AFG Corporate Center CH-Arbon

Gisel + Partner AG, CH-Arbon


Curtain walls with thermal break – In steel and stainless steel

System with attachment profiles for curtain walls with thermal break

Simple, fast, economical
Forster thermfix light makes it possible to mount a sealing system on commercial- ly-available steel and aluminium profiles as well as on wooden sub-structures. The system offers great configuration flexibility to both planner and architect because of the unlimited choice in the sub-structures. The system is characterized by basic and quick processing allowing improved economics.
Combinable with insulated windows and doors of the system Forster unico.

Technical details

Material options
Sub-structures in steel, aluminium, wood,
Forster attachment profiles in steel or aluminium, pressure profiles in aluminium, cover profiles in aluminium or stainless steel

Performance specifications*
(S) sloped glazing
(V) vertical curtain wall
Thermal insulation: Uf-value 1.0–2.2 W/(m2·K) (S)
Thermal insulation: Uf-value 1.1–2.2 W/(m2·K) (V) (depending on the infill thickness) when using a rebate insulator
Tested fire resistant sloped glazing EI30/EI60/E30/E60
Tested based on the product standard EN 13830:
• Reaction to fire of construction products acc. to EN 13501-1: class E (S)(V) • Curtain walls with increased volume of water (3l/min*m2) (S)
• Air permeability 1200 Pa (S) / AE 750 (V)
• Rain impermeability 1200 Pa (S) / R7 600 Pa, dynamic Pmax 1125 Pa (V)
• Resistance to wind load 2400 Pa, safety load 3600 Pa (S) / 3000 Pa (V)
Safety test: CSTB 3228 (50 kg, 2400 mm) 1200 Joule (S)
Impact resistance according to EN 14019: I 5 (internal), E 5 (external) Slope 0–75o (inside), for outside use 10–75o (S)
System properties
Extremely slender visible sections: rafter and transom 50 mm
Individual profile and surface design
Basic and quick processing because of few system components

*Refer to country-specific approvals
Manufacturer Forster Profile Systems
Family Forster thermfix light | Transom/mullion facades
Architonic ID 1308543

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Forster thermfix light | Transom/mullion facade

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