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-   -   How much vermiculite/cement mixture? (http://www.fornobravo.com/forum/f6/how-much-vermiculite-cement-mixture-19423.html)

jay29 05-22-2013 05:08 PM

How much vermiculite/cement mixture?
 
My stand is now complete with 3.5 inches of Sakrete 5000psi concrete with 1/2 inch steel rebar as support. Now I need to add 6 inches of vermiculite/cement as insulation for a 3.5ft by 3.5 top. I think 6 inches is enough?? How much materials do I need to get? How many bags of portland cement and how many bags of vermiculite? Does this insulation top need rebar or just mesh or nothing? Thanks

david s 05-22-2013 09:17 PM

Re: How much vermiculite/cement mixture?
 
For a 5:1 vermiculite, cement mix(by volume) add 20% extra vermicrete because there is some loss on mixing.
Volume= length x breadth x height

Mesh or rebar not recommended.


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