1. 

   Natethefathead New Member

   Yeh All
   
   Wife wants me to put together an 6ft x 6ft patio area in our garden, could someone just advise me how much sub base do I need as I think one of them bulk bags is gonna be way to much... I reckon third of a ton which is about 12 of them 25 kg bags @ wicks ???

    

   Natethefathead, May 22, 2015

   #1
2. 

   KIAB Super Member

   At 75mm for 4 metres squares your looking at just over 1/2 ton of MOT 1.
   
   You can easily use a whole jumbo bag, by increasing the depth to 100mm (perfered depth), a deeper base give you a firmer area to lay your slabs on, less chance of movement/ settlement.
   Just make sure it's well compacted.
   
   EDIT: http://www.pavingexpert.com/calcall.htm#focus10

    

   Last edited: May 22, 2015

   KIAB, May 22, 2015

   #2

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