The Elitfönster Original Trä 100 EFK is a fixed-frame wooden window engineered with high-efficiency triple glazing. Its stationary sash design maximizes natural daylight intake and provides clear, expansive views alongside robust thermal performance.
The Elitfönster Original Trä 100 EFK fixed window blends traditional Scandinavian timber construction with modern building performance. Designed without moving sash components, the stationary frame allows for generous glass dimensions, creating an unobstructed vista and significantly increasing daylight across living spaces.
Equipped with a high-performance triple-glazed insulating glass unit, the window utilizes low-emissivity energy glass, argon gas filling, and a thermal warm edge spacer. This advanced glazed construction yields a standard thermal transmittance U-value of 1.0 W/(m²K) to minimize interior heat loss and maintain a stable indoor climate throughout every season.
Built for structural stability and longevity, the window frame is manufactured from laminated, finger-jointed pine treated to resist rot. The multi-layer wood construction resists warping and environmental wear while presenting a clean, smooth interior profile.
The window provides verified exterior protection against harsh environmental conditions, achieving certified Class 4 air permeability, Class 9A watertightness, and Class 4C wind load resistance. It also demonstrates verified mechanical strength (Class 2) and a fire reaction rating of Class C-s1,d0.
Finished in a classic white factory-applied coating (NCS S 0502-Y), this window fits modular openings of 13×18 (130×180 cm). It integrates smoothly into modern facades, residential extensions, or standalone picture window configurations.
- Brand: Elitfönster
- Model: EFK Original Trä 100
- Window Type: Fixed frame
- Modular Dimensions: 13×18 (130 x 180 cm)
- Frame Material: Laminated pine wood
- Glazing: Triple-glazed insulating unit (low-E glass, argon gas, warm edge)
- Standard U-Value: 1.0 W/(m²K)
- Air Permeability: Class 4
- Watertightness: Class 9A
- Resistance to Wind Load: Class 4C
- Mechanical Performance: Class 2
- Reaction to Fire: Class C-s1,d0
- Finish: White (NCS S 0502-Y)
- Interior Profile: Smooth
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