Etfe Cushion Roofing System

The first commercially viable etfe foils were synthesised by dupont as long ago as the 1970 s.

Etfe cushion roofing system. It is an application with many advantages in terms of lightness transparency and long life with single wall or inflatable cushion applications. The material is highly elastic and chemically resistant. We have used it several times for windows in rooms subjected to ethanol vapour and condensation where pressure surges do occur as a result of the process taking place in the room. Etfe cushions are filled with air using an air handling unit ahu.

The water cube of the 2008 olympics the world s largest structure made of etfe film. This allows you to use etfe in flat or curved panels for your roofing scheme without a complex cable net structure or the regulating pump systems required to maintain the form of etfe cushion solutions. The low co efficient of friction of etfe means that dirt can easily be removed by rain fall or by localized spot cleaning however in practice cleaning is very rarely required. Etfe roof at manchester piccadilly station manchester uk an example of its use is as pneumatic panels to cover the outside of the football stadium allianz arena or the beijing national aquatics centre a k a.

Biomes are constructed with etfe cushions. 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. The cushions are manufactured from multiple layers of ethylene tetra fluoro ethylene etfe a modified co polymer. It is one of the most beautiful systems that can be applied on roofs and façades with aesthetic and light appearance.

In addition to use in air cushion roofs etfe foil is suitable for many other purposes. 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. The ahu is very efficient consuming power equivalent to a 100w light bulb. Texlon etfe.

Generally used in the form of air cushions in buildings the economic span of air cushions is generally 3 5 m. This unit s job is to maintain the pressure in the system between 200 300 pa depending on the size of the roof. Texlon etfe system consists of pneumatic cushions restrained in aluminium extrusions and supported by a lightweight structure. 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.