[GSBN] quoining: anyone doing it on SB construction?
andy at ecodesignarchitects.co.za
Sun Aug 24 11:06:10 CDT 2014
In our parts, historically fired brick or cut stone quoining is actually
used in combination with softer adobe brick construction. Thus my
understanding of the origin of coining - aside from as you say when one
wanted to show off ones more expensive cut stone, seems much more to do with
reinforcing the vulnerable parts of the walls ....ones corners and
apertures. In more modern times this idea seems to have been lost and it is
often simply applied decoratively.
Eco Design - Architects & Consultants
1st floor 79 Roeland St. Cape Town, 8001, South Africa
From: GSBN-bounces at sustainablesources.com
[mailto:GSBN-bounces at sustainablesources.com] On Behalf Of Bob Theis
Sent: 23 August 2014 06:23 PM
To: Global Straw Building Network
Subject: Re: [GSBN] quoining: anyone doing it on SB construction?
Interesting idea, Bill. The origin of quoining, as I understand it, is that
squared stones were structurally important at the corners and over openings,
whereas rough field stones were acceptable in the body of the wall,
especially when said wall was to be plastered. So people would leave the
pricey dressed stones exposed.
My first thought was using AAC blocks for the corner, but they're so
brittle, a small column of them seems too delicate. And I wouldn't leave
Maybe just a veneer of something tougher than plaster over the bale corners?
On Aug 22, 2014, at 11:33 AM, Bill Christensen wrote:
> Question from my wife:
> (for those who don't know, quoining is the use of stone, brick, etc at
corners, doorways, and other high traffic areas as in the attached image)
> One issue that earthen-plastered (or stuccoed) SB homes have is that the
corners and edges get beaten up and then the plaster comes off.
> So here's this old French farmhouse with quoins and what appears to be
some kinda plaster inside and out. (see attached)
> Q: has anyone yet tried it for either load-bearing, wrap or infill SB?
> Yes yes condensation and moisture and differentials with respect to
> Bill Christensen
> <Screen Shot 2014-08-22 at 12.08.40
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