Natural cement could have been used as early as 1796, but would have been very
expensive to import from Europe. US production began in 1818.
Edison Coatings, Inc.
Michael P. Edison
President
3 Northwest Drive
Plainville, CT 06062
Phone: (860) 747-2220 or (800)697-8055
Fax: (860)747-2280 or (800) 697-8044
Internet: www.edisoncoatings.com
E-Mail: [log in to unmask]
---------- Original Message -----------
From: John Callan <[log in to unmask]>
To: [log in to unmask]
Sent: Sat, 11 Mar 2006 20:54:40 -0600
Subject: Re: [BP] Re Salt with lime
> Could natural cement without lime have been used as early as 1822?
>
> -jc
>
> On Mar 11, 2006, at 8:25 PM, edison wrote:
>
> > Lime is generally unsuitable for immersion in any type of water for
> > several
> > reasons. First, it is slightly soluble in water and will erode.
> > Second, it
> > takes a long time to carbonate and cannot withstand immersion in an
> > uncarbonated condition, nor can it carbonate in an immersed condition.
> >
> > Natural cement without lime was used in US coastal fortifications
> > after 1825
> > in areas which were subject to immersion. In non-immersion
> > construction, some
> > lime was added to natural cement to reduce cost. Presumably the
> > natural cement
> > acts as a pozzolan in these mixtures.
> >
> > Michael P. Edison
> > The Second American Natural Cement Conference
> > www.naturalcement.org
> >
> >
> > ---------- Original Message -----------
> > From: [log in to unmask]
> > To: [log in to unmask]
> > Sent: Sat, 11 Mar 2006 13:17:45 EST
> > Subject: [BP] Re Salt with lime
> >
> >> Better minds can respond to this query ,but lime mortar absorbs water
> >> then at a certain point sheds it , salts are crystals that "
> >> bloom"with the wet dry process prior to Portland ,fort work was
> >> "capped " with Natural Cement (see conference with Mike Edison) this
> >> according to documentation found in the Army Corps of Engineers 1898
> >> Why? because of its strength and ability to shed water
> >>
> >>
> >>
> >> --
> >> To terminate puerile preservation prattling among pals and the
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> > ------- End of Original Message -------
> >
> > --
> > To terminate puerile preservation prattling among pals and the
> > uncoffee-ed, or to change your settings, go to:
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>
> --
> To terminate puerile preservation prattling among pals and the
> uncoffee-ed, or to change your settings, go to:
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------- End of Original Message -------
--
To terminate puerile preservation prattling among pals and the
uncoffee-ed, or to change your settings, go to:
<http://listserv.icors.org/archives/bullamanka-pinheads.html>
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