[Greenbuilding] Fancy Cornices and moldings, was Timbersil

[Gennaro Brooks-Church]

Here is a cool base molding we did using a clay cement mix. It was for
a clay wall and the base molding matched the wood molding in the rest
of the house.
http://ecobrooklyn.com/clay-concrete-base-molding-clay/

Gennaro Brooks-Church

Cell: 1 347 244 3016 USA
www.EcoBrooklyn.com
22 2nd St; Brooklyn, NY 11231




On Fri, Apr 8, 2011 at 5:15 PM, RT <ArchiLogic at yahoo.ca> wrote:
> On Fri, 08 Apr 2011 15:17:00 -0400, Alan Abrams <alan at abramsdesignbuild.com>
> wrote:
>>
>> is this material crisp and stable enough for detailed cornice work?
>>
>> On Fri, Apr 8, 2011 at 11:05 AM, Sigi Koko <sigikoko at earthlink.net> wrote:
>
>>> Timbersil
>
>>> In terms of ordering, if there isn't a
>>> distributor near you, you should be able to approach a local lumber mill
>>> and order through them.
>
>
> If the Timbersil (TM) product isn't locally produced then it would seem to
> make sense to use local lumber and simply soak it in a saturated solution of
> sodium silicate which is relatively easy to make out of readily available
> materials (ie water, silica, sodium hydroxide), and then sticker the treated
> wood until it has dried.
>
> That way, one would be able to use locally-harvested salvaged lumber and
> you'd have an up-close/personal view of the consequences of your material
> choice (ie sodium hydroxide isn't exactly friendly stuff).  In NYC, that
> lumber would likely be pallet wood, wooden pallets being a major disposal
> problem in urban centres. (This being the *Green* building list, not the
> Home Despot building list).
>
> But speaking of fancy cornices...
>
> Rather than build it up out of a gazillion pieces of increasingly-rare clear
> lumber, perhaps it might be made of cement or lime plaster, possibly with
> pigment integrated into the plaster mix so that painting would never be
> required , and with whatever lightweight aggregates and fibrous admixtures
> your heart desires to achieve the performance characteristics you'd like ?
>
> The simplest way would be to make a scraper that is cut to the profile of
> the proposed cornice and pull it along the still-plastic mud, a process not
> unlike what carpenters used to do when making wooden mouldings and cornices,
> with a series of moulding planes, often self-made. (Yes, been there, done
> that.)
>
>
>
> --
> === * ===
> Rob Tom
> Kanata, Ontario, Canada
> < A r c h i L o g i c  at  Y a h o o  dot  c a >
> manually winnow the chaff from my edress if you hit "reply"
>
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