Etferoof.com offer etfe roof, skylight, facade, etfe structure and etfe design solutions. Our aim long term customer relations & reliable service for each project.
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ETFE roof is energy e|
What is ETFE?
Ethylene Tetrafluoroethylene, ETFE, is a kind of new generation plastic having high chemical resistance and mechanical strength over a very wide temperature range. It is a very molecularly stable material. The strong bonds that exist between the fluoroplymer molecules avoids the degradation of the material due to atmospheric conditions, substances deposited on the material or ultraviolet radiation.
Having 25-30 years of durability, color stability and resistance against becoming brittle, ETFE, with its unparalled alternative to traditional materials, is used successfully for heat insulation and sun control at the façades and roofs.
Advantages of ETFE
Compared to glass, ETFE film is lighter, transmits more light and is also resilient. Its properties like self-cleaning due to its nonstick surface and recyclability at lower cost are superior. When using pressurised pillows, it’s possible to achieve control of both sunlight transmission and effective insulation. ETFE coverings offer also excellent acoustic properties, as the material does not cause annoying echoes indoor. Unlike glass ETFE film is shatterproof,
Thermal and Chemical Characteristics of ETFE
A standard three-layer cushion has a U-value of around 1.95 W/m2·ºK. This is considerably better than triple glazing when used horizontally. The cushion’s insulative characteristic can be further enhanced by addition of further layer which can also be treated with Low E coating. This approach could reduce the U-value to below 0.6 W/m2·ºK.
ETFE foil also absorbs a large proportion of infrared light transmitted, a quality which can be used to improve energy consumption of buildings.
Light Transmission of ETFE
The optical characteristics of the transparent ETFE foil are very advantageous. Alongside its low weight, the major benefit of ETFE is its high translucency by transmitting up to 94-97% of visible light (380-780nm) and 83-88% of ultraviolet range (300- 380nm). This is a vital property for well being of humans and plants. The nearly natural daylight makes the indoor environment more enjoyable in projects like shopping malls, indoor swimming pools, atrium roofs, market places, football stadiums and tennis courts.
ETFE cushions can be lit internally with LED lighting to make them glow or projected onto externally like a giant cinema screen, creating dramatic results.
Shading with ETFE systems
Whilst base material is very transparent, ETFE foil can be treated in a number of different ways to manipulate its transparency and radiation transmission characteristics by adding more layers, printing, tinting, surface treatments and radiation.
Clever Shading
It is also possible to control the amount of light that is transmitted to the inside by combining 1 translucent and 2 printed ETFE films into a 3 layer design and moving the middle layer up and down. Through this approach, maximum shading or reduced shading can be achieved as and when required.
Fabrication of ETFE systems
As foil membranes have a predefined width, patterning have to be done to form the surfaces. Continuous welding of ETFE Foil defines the quality of seam of the patterns.
Cushions are made by combining two, three or more layers of foil which are joined at their edges and inflated with air to form a sealed panel. The internal pressure in the cushion prestresses the foils enabling the cushions to withstand external loads such as snow and wind. The pressure inside the cushions is borne primarily by the outer and inner layers. Cushions are normally held in an aluminum extrusion frame and used as part of a cladding system.
Altinoran Mall ETFE Roof
Shopping Mall
This project was completed in January 2017. It consists of total 2-layer 12 cushions. The design resembles a seashell which covers Altinoran Shopping Mall in Ankara, Turkey. Project includes design, structural calculation, fabrication and installation of steel structure and ETFE cushions.
Beyazit Library ETFE Roof
ETFE cushions on the façade of Baku Olympic Stadium are illuminated by colorful LED fittings which have been installed by our team consisting of 60 rope access climbers. Our scope of the project was completed in 2014. The spectacular Olympic Stadium was opened in 2015 for the European Games.
Get in touch
The Office
Address: BOSB Bakircilar Sitesi, Karanfil Cad. No21 K2 Beylikduzu, Istanbul - Turkey
Phone: +90 (212) 875 1243
Mobile: +90 (555) 548 2675
Email: [email protected]
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Onart structure is a high tech company operating in tensile membrane structure, lightweight structures, textile façade and etfe roof.
Endeavor to accomplish these boundaries and the surprising occurs: limits are pushed; desires are surpassed; fantasies are broken.
While PVC is a savvy arrangement, PTFE film conveys better climate opposition, longer helpful life and higher protection from dirtying.ETFE SystemsETFE is a sort of new age plastic having high lucency, high substance obstruction and mechanical quality.
Having 20-30 years of toughness, shading solidness and obstruction getting to be weak makes it unparalleled option in contrast to customary rooftop and veneer materials.Material FacadesMaterial veneers change structures to an alluring, uncommon structures with solid compositional effect.
Material exteriors with any shape that can be conceived can be made.PTFE Coated Glass Fiber:We recommend to utilize PTFE material (Poly Tetra Fluoro Ethylene) if longer valuable life, lesser redirection and higher imperviousness to fire are required.
Situations for collapsing for conveyance and establishment must be produced carefully.
