Etfe Cushion Roofing System

It is one of the most beautiful systems that can be applied on roofs and façades with aesthetic and light appearance.

Etfe cushion roofing system.

The service life of etfe membrane is at least 25 to 35 years which is an ideal material for permanent multi layer movable roof structure. The cushions are manufactured from multiple layers of ethylene tetra fluoro ethylene etfe a modified co polymer. 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. 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.

Etfe cushion roof systems are cost effective in terms of cleaning maintenance and operation. 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 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. The first commercially viable etfe foils were synthesised by dupont as long ago as the 1970 s.

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. Texlon etfe. Etfe cushions are filled with air using an air handling unit ahu. It is an application with many advantages in terms of lightness transparency and long life with single wall or inflatable cushion applications.

The ahu is very efficient consuming power equivalent to a 100w light bulb. 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. Biomes are constructed with etfe cushions.

Generally used in the form of air cushions in buildings the economic span of air cushions is generally 3 5 m. 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. 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. In addition to use in air cushion roofs etfe foil is suitable for many other purposes.