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.
>
>
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> 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