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Forum URL: http://www.truefresco.com/cgidir/dcforum/dcboard.cgi
Forum Name: Plaster Arts & Modern Plasters and Classic Finishes with Joe Greco
Topic ID: 19
Message ID: 12
#12, RE: Traditional and Modern lime plasters
Posted by willyartist on 17-Apr-05 at 09:59 AM
In response to message #11
hello i live in an old 50s beach house that the walls are plaster but i dont know what kind but unfortunately some walls are painted with your average interior eggshell latex paint and it stuck fine very hard. i attribute the small percent acrylic resin for more binding marble dust for aggregate and ive tried two pozzolans one is pure lassenite from lassen california lake bed diatoms and volcanic ash but it is light brown in color and actually tinted the paste the other is a white pozzolan i found researching on the web that they use for pools. i think the ingredients are a diff type of pozz metakaolin because there is diff types that all create cementious properties with lime or portland cement . mt vesuvius dirt volcanic ash mixed with lime or atown in italy pozzoloui(maybe misspelled) where the name originated. fly ash and metakaolin are the others which all possolans are good for hydrating the front lawn which is next on the agenda haha at least thats what they say about the lassenite. interesting though they used this stuff to make the hoover dam or one of those damns and used for golf courses. aerification .. interesting polishing 1000s of year old fossils mixed with lime and marble dust. i think the white pozz is my best bet and maybe use the darker pozz for darker colors... know of any good limeproof pigments?