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render mix
- Thread starter bobbyjo
- Start date
best to buy in bags m8,then the gauge is more even,id have a guess at 30 sand 6 cement,an a bag of lime or 2,bag more cement if no lime 
50 ms x 16mm = 0.8 metre cube. As density of sand can vary so much due to moisture content, assume density of 1300kg per mc = 1040kg or 1040 tonne sand.
Note! when you see tonne bags of sand for sale they do not normally contain a tonne but only 850kg. The tonne is for lifting purposes and carriage rates.
The density of cement is 2/3 more than lime.
Therefore, for a 1-1-5 mix you will need 1050kg sand, 275kg dust and 100kg lime. You may be couple bags short at end.
oldun
Note! when you see tonne bags of sand for sale they do not normally contain a tonne but only 850kg. The tonne is for lifting purposes and carriage rates.
The density of cement is 2/3 more than lime.
Therefore, for a 1-1-5 mix you will need 1050kg sand, 275kg dust and 100kg lime. You may be couple bags short at end.
oldun
you might like to have a look on here at the free materials calculators:
http://www.source4me.co.uk//calculate_building_materials.php?tab=0
http://www.source4me.co.uk//calculate_building_materials.php?tab=0
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