Yes,Karin. That´s right. Margunn On 10.10.2012 14:22, Karin von Lerber wrote: > Dear Linsey, > the treatmet proposed to you sounds very much like the Thermolignum ® > treatment. There have been quite a lot of research and publications on > all kinds of types of objects (including textiles) and even on DNA, all > of them concluding that this treatment has no negative effect if > humidity is controlled. You find the publications on the thermolignum > website: > http://www.thermolignum.com/home/ (in the right hand barr). > > Otherwise, I agree with the comment made by various people: controlling > your environment is essential. > > Sincerely, > Karin. > > > über 20 Jahre Atelier für Textilkonservierung – 15 Jahre Ideen für Museen > *Prev /art/ *^GmbH - Atelier für Textilkonservierung > CH - 8405 Winterthur // Oberseenerstrasse 93 // Tel. + 41 (0)52 233 12 54 > [log in to unmask] > <mailto:[log in to unmask]>//www.prevart.ch <http://www.prevart.ch/> > > Am 10.10.2012 um 13:57 schrieb Margunn Veseth: > >> I agree. You should try to control the environment. >> In our museum we use heat or freezing as pest traetment. >> We have our own heat chamber that we bought from a Swiss/ English >> company. IT is quick and easy. Takes approximatly 12 hours from start >> to the end. And as David Walker said "The heat may cause some physical >> and chemical changes in the viscose/rayon, but it will probably not be >> significant". >> >> Margunn Veseth >> Conservator, >> Museum of Cultural History, >> University of Oslo >> Oslo >> Tlf./faks: [+47 22 85 95 10 / 22 85 95 09] >> www.khm.uio.no <http://www.khm.uio.no> >> >> On 09.10.2012 18:14, Constance wrote: >>> I concur with Mary. The first thing to do is to control the humidity in >>> the rooms, since the psocids feed on mold. Otherwise, the pests will >>> continue to exist - not only in the drapes - wherever there is a source >>> of nourishment. External walls are difficult in these situations. It is >>> unlikely that the fabric will be harmed by the pests. Anoxia is the >>> preferred treatment. The heat may cause some physical and chemical >>> changes in the viscose/rayon, but it will probably not be significant. >>> >>> David Walker >>> >>> Walker Textile Conservation >>> www.talismanrestoration.com <http://www.talismanrestoration.com> >>> >>> >>> On Oct 9, 2012, at 9:29 AM, Scottish Conservation Studio wrote: >>> >>>> Hi there, >>>> >>>> Lynsey Haworth from Historic Scotland would appreciate help with the >>>> following: 'At one of our properties we have several sets of drapes on >>>> walls. They are made from viscose chenille, gold thread and >>>> cotton.There had been lots of rumours about there being a pest problem >>>> within the drapes, and a pest control company did some investigation >>>> and found there to be booklice in the drapes, believed to be caused by >>>> the damp environment.The proposed treatment that they have suggested >>>> is a heat treatment, where the drapes are heatedin a podto between 54 >>>> and 60 degrees Celsius for approximately one hour, which will kill the >>>> booklice and any microscopic mould they may be living off of.The >>>> humidity is monitored during this process and the temperature can be >>>> adjusted to ensure that the drapes are not put at risk. >>>> >>>> Could anyone tell me if they have used a similar method for treating a >>>> pest problem before? How safe is it to textiles? I should note that >>>> the drapes are not historical. They are only about 13 years old, but >>>> were commissioned especially so are quite expensive and we do not want >>>> to risk them being damaged.If anyone can offer any adviceor insight >>>> into this proposed method of treatment I would be very grateful. >>>> >>>> >>>> *Lynsey Haworth*| Regional Collections Manager (Central) >>>> __________________________________________________ >>>> Historic Scotland | Alba Aosmhor >>>> Longmore House, Salisbury Place, Edinburgh, EH9 1SH >>>> t: 0131 668 8641m| 07794 045801 >>>> e:lynsey.haworth @scotland.gsi.gov.uk >>>> <mailto:[log in to unmask]> >>>> www.historic-scotland.gov.uk' <http://www.historic-scotland.gov.uk/> >>>> >>>> >>>> If you can help Lynsey, please send your reply directly to her e-mail >>>> address. >>>> >>>> Many thanks, >>>> Tuula Pardoe >>>> Accredited Conservator of Costume and Textiles >>>> -- >>>> The Scottish Conservation Studio LLP >>>> Hopetoun House >>>> South Queensferry >>>> West Lothian >>>> EH30 9SL >>>> Tel 0131 331 5875 >>>> Email:[log in to unmask] >>>> <mailto:[log in to unmask]> >>>> Web:www.scottishconservationstudio.co.uk >>>> <http://www.scottishconservationstudio.co.uk/> >>>> Registered in Scotland Company No SO300545 >>>> VAT No 865 3202 31 >>> >> >> >> -- > -- Margunn Veseth Konservator, konserveringsseksjonen Kulturhistorisk museum Universitetet i Oslo P.b. 6762, St.Olavs plass 0130 Oslo Tlf./faks: [22 85 95 10 / 22 85 95 09] Tlf.sentralbord: 22 85 19 00 www.khm.uio.no