Monday, May 4, 2009

[papercreters] Re: PC as drywall substitute?

--- In papercreters@yahoogroups.com, "no_malice03" <no_malice03@...> wrote:
>
> Our home is an old farm home with cracking plaster that will some day be replaced. Instead of drywall, can PC be used as an interior wall covering?
++++++++++++++

You bet.. and you can vary the mix too. your wall plaster may actually be a lime plaster on lathe already? historicalk, and desired to keep if you can vs buying new made drywall ( with the bad stuff found in it lately)

I use sawdust lime and clay to infill deep cuts or breaks, netting and fiber mesh to fill in a hole. and I also use a nice finish coat of just lime + office paper- shredded, soaked for a month, and mixed with a tiny bit of sand, and fibers, and used as a wall plaster.

I have plastered my entire studio with this ( safe) Chinese recipe I found... it will not burn, ( so it gives you the same effect as drywall to protect you during a fire ( not sure the time of burn thru though-- drywall gives 1.5 hours of time before it will burn thru. this will be less unless made thickly on the wall) ( drywall has 20% water in it, this is what gives the time before failure)

is a nice white color- so no paint needed, and can be just limewashed every few years to freshen up. you can tint the limewash or the paper and get a color too.

I used to send samples of it out with book orders, but ran out of time to make them. DO try this, and see how ytou like it as a final coat. I can get a nice old world ancioent wall look by how the plaster is troweled on. and easy to do.

here is the recipe:
Chinese recipe for Paper Lime plaster [interior use]

By WEIGHT-1 part (lb.) chopped/shredded paper-office paper – or newspaper insulation
to 10 parts (lb.) soft lime putty (type N or S hydrated lime soaked in water 48 hours) Mix
well in large bucket or bin with tight lid. Seal lid. Let mellow 2-4 weeks, stir in 1/2-1 parts sharp sand to make more trowelable. Mix with paint stem/paddle blade to make creamy..
Spread on wall by hand or trowel. Sculpt and dry. feather edges thin at stop points. Can be
limewashed; embed tiles while soft. Adding extra sand gives a stronger, more old world
plaster/mortar look; for outdoor use eliminate paper or coat with sealer, or waterglass.

Note from Charmaine: Successfully applied to new and old DRYWALL, particle board on
my work studio & bathroom walls.
National Lime Assoc www.lime.org/
Pargeting-decorative
lime www.kettlenet.co.uk/
US Parks Building articles: www.cr.nps.gov/hps/tps/briefs/presbhom.htm
Lime plaster on Straw Bales: http://solarhaven.org/Construction4Lime.htm
Tadelakt lime plaster- www.naturalpaint.com.au/
Building Conservation-Lime articles: www.buildingconservation.com/

Charmaine TAYLOR
WWW.DIRTCHEAPBUILDER.COM www.papercrete.com
books & DVDs on sale

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