Etfe Roof Weight

Etfe ethylene tetrafluoroethylene copolymer is a plastic derivative that is frequently used as a building material in the form of etfe membranes.

Etfe roof weight.

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. Ethylene tetrafluoroethylene etfe is a fluorine based plastic polymer that offers a creative and lightweight alternative to glass. Developed over 40 years ago by dupont etfe has similar light transmission to glass but at just 1 of the weight. Etfe is only 1 100 the weight of glass and it has properties that make it more flexible as a construction material and a medium for dynamic illumination.

The movable roof had to take singapore s tropical climate into account and following extensive testing a new. These include extremely low weight compared to glass exceptional light transmission especially in the uv spectrum a self cleaning effect elasticity long service life and sustainability. The particularly low weight of etfe enables roof designs that would be impossible with other materials. The use of texlon etfe helped reduce the overall weight of the roof and subsequent steel tonnage required and consequently had a huge impact on the overall carbon footprint and energy consumption of the stadium.

What is etfe foil film. Etfe foil roofs can be supplied as a single layer membrane supported by a cable net system or as a series of pneumatic cushions made up of between two and five layers of etfe. Non linear analysis software for membrane structures creating solutions since hello. Class c is the lowest class of non fragile assembly and particularly if engineered to pass the test criteria may be close to the boundary between fragile and non fragile.

The utilization of etfe cushion decreases steel and aluminum amount required to support structural claddings. Selected projects realized using wintess structural revisit to german pavillion expo 67 montreal this interesting academic work by alba lópez gómez diego. Etfe foil is a hundred times lighter than glass. The material is characterized by high light and uv transmittance temperature resistance and very low weight.

A typical etfe cushion roof weighs 450 g per square meter which means that an etfe cushion roof system weighs 250 100 times less than any transparent roof alternatives and used 50 200 times less embodied energy per square meter. This is a vital property for well being of humans and plants. Etfe foil is a plastic polymer related to teflon and is created by taking the polymer resin and extruding it into a thin film. Etfe foil cushion systems are certified as class c non fragile roof assembly in accordance with acr m 001 200 test for fragility of roofing assemblies.