Wind uplift tests on roofing systems

For almost 40 years I.F.I. conducts wind uplift tests on a wide variety of roofing systems, e.g. tiles, shingles, pavers, gravel, bonded and mechanically fastened roofing mem­branes. Testing wind permeable systems like tiles, shingles and pavers the pressure equilibration process between upper and lower element surface has to be taken into account. However, there are no standardised tests yet available.

Mechanically fastened roofing systems have to be tested for fatigue failures. This is taken into account by the method specified in ETAG 006 of the European Organ­isa­tion for Technical Approvals (EOTA).

The wind uplift test described in ETAG 006 was largely elaborated by Prof. Gerhardt of I.F.I. Wind uplift tests are usually conducted in the I.F.I. roof and façade testing facility consisting of a 6 m x 1.5 m x .75 m chamber. This chamber is connected with a com­puter controlled fan which applies a defined pressure to the chamber. Due to a computer controlled butterfly valve the test specimen is subjected to pressure load and discharge of the pressure. This enables the realistic simulation of the wind gust action.

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Informationen zur Durchführung von Windsog- und Druckwechselprüfungen im I.F.I. Dach- und Fassadenprüfstand.