1. Restoration Theory applied to Installation Art Cornelia Weyer Restaurierungszentrum Düsseldorf Maastricht 11.05.2006

2. Origin and type of four central rules of restoration theory Characteristic features of installation art Confrontation of restoration theory and installation art: the conflict potential Conclusion

3. Origin and type of four central rules of restoration theory Durability Authenticity Minimal intervention Reversibility

4. Origin and type of four central rules of restoration theory Durability: the restorer must use highly stable media to ensure that after the treatment the work of art stays unchanged for a long time - Scientific origin

5. Origin and type of four central rules of restoration theory Authenticity: The objective is the unfalsified preservation of an object, usually understood to be a work of art, but in more recent texts also to be an object of cultural heritage - philological origin

6. Origin and type of four central rules of restoration theory Minimal intervention: restricting intervention to what is absolutely necessary - museum context as opposed to monument conservation

7. Origin and type of four central rules of restoration theory Reversibility /retreatability: selection of materials and methods of a restorational intervention so as to leave room for later interventions

8. Characteristic features of installation art The significance of the relation between the parts and between the parts and the whole, including the setting Thomas Hirschhorn, Doppelgarage, (2002), Bayerische Staatsgemäldesammlungen, Doerner Institut, München

9. Characteristic features of installation art Processuality - crossing the divide between pictorial and performance arts Nam June Paik, One Candle (1991, 1996) Museum für Moderne Kunst, Frankfurt/M.

10. Characteristic features of installation art Optical phenomena and the extension of sense perception to include the senses of audio,smell, taste and feeling Fabrizio Plessi, Liquid Time (1993), Sammlung ZKM, Karlsruhe

11. Characteristic features of installation art The observer as constitutive element Ross Sinclair, Journey to the Edge of the World - The New Republic of St. Kilda (1966), Hamburger Kunsthalle

12. Characteristic features of installation art Art also about art Ulrike Rosenbach, Glauben Sie nicht, daß ich eine Amazone bin (1975), museum kunst palast, Restaurierungszentrum Düsseldorf

13. Confrontation of restoration theory and installation art: the conflict potential Conservation of installation art by means of durable material? - object / significance Dennis Oppenheim, Aging, Reina Sofia, Madrid

14. Confrontation of restoration theory and installation art: the conflict potential Authenticity of material and workmanship / aiming at giving the observer as authentic an aesthetic experience as possible (Bishop) Thomas Hirschhorn, Doppelgarage (2002), Bayerische Staatsgemäldesammlungen, Doerner Institut, München

15. Confrontation of restoration theory and installation art: the conflict potential Minimal intervention / installation art has to fulfil a function going beyond display in a museum - similar to monumental heritage Thomas Hirschhorn, Doppelgarage (2002), Bayerische Staatsgemäldesammlungen, Doerner Institut, München

16. Confrontation of restoration theory and installation art: the conflict potential Reversibility if re- installation is not necessarily the appropriate way of treatment? ephemeral character of some installation artworks Ross Sinclair, Journey to the Edge of the World - The New Republic of St. Kilda (1966), Hamburger Kunsthalle

17. Conclusion Loss of the material object as being a conservations main reference Change of roles from conservator- restorer to artists assistent social use - contemporary installation art - the intangible

18. Consequences Taking a step back from the conservator-restorers usual attachment to material and technique assess the effect of the work aesthetic appreciation readiness to engage with a works idiosyncrasies