[papercreters] sawdust fibercrete bricks

Hi Charmaine

Does it matter what kind of sawdust? Do the bricks come out any more
uniform than papercrete? Can this mix withstand exposure to the
weather at all?
TIA

++++++++++++++++++

Yes they are solid and strong- and i have left them exposed to the elements on the back deck for 3 years as a test, and they  slowly round down their edges, but stay intact unless handled roughly.. since one will plaster over papecrete and bricks anyway this is my easy solution to building, less mold issues, and faster as no big honking barrell mixer and blade is needed to shred the paper.

 

I bet if cement were added my bricks would be the same as reg. papercrete, and  similar in weight/maybe better in insulation.

 

I do use clay and lime- no cement for a more natural mix, am using infilled  not loadbrearing blocks, and am happy with the easy building it affords me.

 

be sure to "cure" any fresh sawdust for 6- 8 weeks- but just letting it set around in bins or bags, or exposed to light.  the sugars will affect the cement strength and wont set up if you just took a fresh pile of sawdust and used it.

 

we have mills here and small operators who have big piles of sawdust avail outside free for the taking... you can find a local wood ship too, they make bags of dust daily.  a local place makes wood cutting boards, guitar pieces, decorative wood pieces and I get  huge sacks od sawdust (mostly hardwood) from them.

 

I do not know the diff. in soft vs hard, but the US forestry labs in MI and IL have tons of reports on this.. search online
--
Ms. Charmaine  Taylor/ Taylor Publishing
www.dirtcheapbuilder.com   www. papercrete.com        
PO Box 375, Cutten CA 95534

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