ETFE Roof, Skylight and Facade | ETFE Structure, ETFE Design
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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.
Mechanical Properties of ETFE
ETFE foils have a very high durability compared to other transparent plastic materials. High tensile strength, extraordinary tear and impact strength of ETFE foil are the basic properties of an ideal membrane material. ETFE is a very ductile material and demonstrates good failure behaviour thanks to its large deformations before breaking point. ETFE foils are also alkali and solvent resistant to a great extent.
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.
ETFE foil roofs can be supplied as a single layer membrane supported by a cable net system or commonly as a series of pneumatic cushions made up of two to five layers of ETFE. Whether it is a single layer or in cushion forms, ETFE foil systems are supported in an aluminium extrusion at the perimeter which, in turn, is supported by the main building frame. In the case of ETFE cushions, they are kept continually pressurised by a small inflation unit which maintains the pressure at 200-600 Pa and gives the foil a structural stability and the roof some insulation properties.
At ONART, we possess the experience that can only be acquired from years of dedicated service within the industry. Although we are constantly looking for ways to improve our company, we never forget our firm foundation built on a tradition of reliability and quality. We identify opportunities for the projects to differentiate themselves and deliver innovative design solutions. We strive to seamlessly integrate enhanced engineering solutions in our design process, while always keeping in mind the cost effectiveness.
The Office
Address: BOSB Bakircilar Sitesi, Karanfil Cad. No21 K2 Beylikduzu, Istanbul - Turkey
Phone: +90 (212) 875 1243
Mobile: +90 (555) 548 2675
Email: info@etferoof.com
Visit here :- http://www.etferoof.com/
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.
Mechanical Properties of ETFE
ETFE foils have a very high durability compared to other transparent plastic materials. High tensile strength, extraordinary tear and impact strength of ETFE foil are the basic properties of an ideal membrane material. ETFE is a very ductile material and demonstrates good failure behaviour thanks to its large deformations before breaking point. ETFE foils are also alkali and solvent resistant to a great extent.
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.
ETFE foil roofs can be supplied as a single layer membrane supported by a cable net system or commonly as a series of pneumatic cushions made up of two to five layers of ETFE. Whether it is a single layer or in cushion forms, ETFE foil systems are supported in an aluminium extrusion at the perimeter which, in turn, is supported by the main building frame. In the case of ETFE cushions, they are kept continually pressurised by a small inflation unit which maintains the pressure at 200-600 Pa and gives the foil a structural stability and the roof some insulation properties.
At ONART, we possess the experience that can only be acquired from years of dedicated service within the industry. Although we are constantly looking for ways to improve our company, we never forget our firm foundation built on a tradition of reliability and quality. We identify opportunities for the projects to differentiate themselves and deliver innovative design solutions. We strive to seamlessly integrate enhanced engineering solutions in our design process, while always keeping in mind the cost effectiveness.
The Office
Address: BOSB Bakircilar Sitesi, Karanfil Cad. No21 K2 Beylikduzu, Istanbul - Turkey
Phone: +90 (212) 875 1243
Mobile: +90 (555) 548 2675
Email: info@etferoof.com
Great Post! Nice information and advantages while using the ETFE roofing and there benefits. Keep sharing.
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