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PRESERVATION OF WALLPAPERS AS PARTS OF INTERIORS

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Preservation of wallpaper as a part of interiors<br />

Sponge 344 and Akabad Dry Cleaning Sponge, polyvinyl chloride<br />

erasers are also suitable. A grated PVC eraser is not suitable for<br />

working in situ, since it may leave residue embedded in the<br />

fibres, paint layers and between cracks of varnished or layered<br />

wallpapers. When PVC erasers are used, one needs to remove<br />

dirt evenly without staining and streaking. Such erasers as a<br />

Staedler Mars 52650 and Magic Rub remove dirt effectively<br />

and gently. 345<br />

4.2.8. Consolidation<br />

Wallpaper is a printed material, and is above all valued for the<br />

decorative properties of its visual impact. To preserve the aesthetic<br />

appearance of a wallpaper, it is essential to preserve its<br />

printed layer. One of the most discussed principles of conservation<br />

ethics is the principle of reversibility. This is particularly<br />

difficult during consolidation, since adhesives inserted to saturate<br />

powdery pigments are usually permanent. 346<br />

Loose and unstable paint is usually visible as crumbles,<br />

losses in the printed surface, raised and cupping paint, or lifted<br />

and tented surfaces, which become more apparent when viewed<br />

with raking light. 347 However, not only flaky pigments but also<br />

damaged paper needs to be consolidated before thorough conservation<br />

treatment. If the paper base is not too fragile, it is recommended<br />

to hoover and brush it beforehand, removing the<br />

loose foreign particles that can become embedded in the paint<br />

layer or support during the process of consolidation and blur<br />

the image. If an object cannot be cleaned before further conservation<br />

treatment, it is recommended to combine the process<br />

of consolidation with blotter washing. For this purpose, the<br />

344<br />

Prochem Europe, Prochem Dry Chem Sponge, accessed February 20, 2013<br />

http://www.prochem-uk.com/product.php?xProd=243&xSec=26.<br />

345<br />

Collier, “Wallpaper – In and Out of Context”, 55.<br />

346<br />

Joyce Hill Stoner and Rebecca Rushfield, Conservation of Easel Paintings (Oxon / New<br />

York: Routledge, 2012), 370. Accessed February 19, 2013, http://books.google.ee/books?id=<br />

1msM3h9mbaoC&pg=PA376&lpg=PA376&dq=tea-bag+tissue,+conservation&source=<br />

bl&ots=UMkxfXN6ii&sig=_HMOj5sBCsax2JJbPtZkhB5s370&hl=en&sa=X&ei=9KEmUbPz<br />

O4qX1AXH5oGIAQ&redir_esc=y#v=onepage&q=tea-bag%20tissue%2C%20<br />

conservation&f=false.<br />

347<br />

Ibid., 371.<br />

186

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