Volcanic Ash Calculations for Fire Pits
Author: Rett Rasmussen Reference Number: AA-01234 Views: 2739 Created: 2014-06-06 15:46 Last Updated: 2014-06-06 15:52 0 Rating/ Voters

              Volcanic Ash (VA) Calculations for Fire Pits  


  For Rectangular uses (average front and rear widths for tapered fireplaces):

   ____ Width  times  ____ Depth  times ____Thickness  divided by  33.2  = ____Pounds of VA required   

        
       
   Example:  24" Width, 12" Depth, 2" Thickness         24  X  12  X  2 ÷ 33.2 = 17.2 Pounds of VA

  


For Circular uses (FirePits, flowerpots, etc.):

 ____ Diameter  times ____Diameter  times  ____Thickness  divided by  42.3 = ____Pounds of VA required
         

                Example:  24" Diameter, 2" Thickness         24  X  24  X  2 ÷ 42.3 = 27.2 Pounds of VA

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