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SLABVOID      4"x2'x5'

SLABVOID 4"x2'x5'

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Decription

A form to provide space under concrete to let the earth rise and settle with frost and moisture.

PERKS

  • light weight
  • easy too cut too fit 
  • easy way to reduce cost on concrete 
  • rots away leaving air under the slab 

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