Thank you!

hands-on impresario
Tegel  Design +  Planning

On Aug 9, 2009, at 1:51 AM, David West <[log in to unmask]> wrote:

> Kalsomine is a particular version of distemper.
> Basically whiting or crushed chalk plus casein glue plus pigment.
> A water-soluble paint system that had very little bond strength ... so
> that once it was overpainted, the weight of the new coating was often
> sufficient to pull the paint layers off the wall.
> Used from the mid 19thC up until the mid 20thC - and hence can still  
> be
> the bane of renovators of early-mid 20thC houses.
>
> David West
> Executive Director
> internationalconservationservices
> T:     +61 (2) 9417 3311
> M:    +61 (411) 692 696
> sustaining your heritage
> -----Original Message-----
> From: The listserv where the buildings do the talking
> [mailto:[log in to unmask]] On Behalf Of Mary  
> Tegel
> Sent: Sunday, 9 August 2009 1:20 PM
> To: [log in to unmask]
> Subject: Re: [BP] Rock wool insulation
>
> Folks,
> As you all ponder rock wool ( and I do wonder what mineral it is...
> And it beats horse hair which I've found out here in the west), what
> about "calcimite?". Maybe it goes by another vernacular name
> elsewhere. I have found it on interior walls. It's often a nasty
> yellowed calmine lotion color or dirty turquoise. It won't take paint
> so I suspect it's plaster. ???
>
> Mary
>
> hands-on impresario
> Tegel  Design +  Planning
>
> On Aug 8, 2009, at 8:10 PM, "Becker, Dan"
> <[log in to unmask]> wrote:
>
>> The rock wool that was in the ceiling of my house additions dating
>> between 1932 and 1941 was paper-backed batts on which the words
>> "Rock Wool" were preceded by the word "Manville." So I've always
>> been wondering what other minerals might have been contained in the
>> batts in my belfrey....
>>
>> Dan
>> _____________________________________
>> ______________________________________
>> From: Cuyler Page [[log in to unmask]]
>> Sent: Saturday, August 08, 2009 12:37 AM
>>
>> In my house it is a natural mixture of fluffy grey stuff, mouse
>> turds and
>> sawdust chips.
>>
>> Mr. Google says:
>> "Rock wool is a naturally-occurring mineral fibre that looks like
>> chopped
>> white cottony material. (It may have originally been formed by wind
>> blowing
>> across streams of lava from erupting volcanoes.)"
>>
>> cp in bc
>>
>> ----- Original Message -----
>> From: "Ruth Barton" <[log in to unmask]>
>> Sent: Friday, August 07, 2009 6:23 PM
>> -
>>> Can anyone tell me what "rock wool" insulation is composed of?
>>> Thanks,
>>> Ruth
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