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Mixing cement proportions?

jdpl28 · 2008-06-03 13:00:02

Hi, wondering when your mixing cement 3:1, do you mix by weight or volume? like do i mix 2 40kg bags of sand with 1 25kg bag of cement? thanks, J

03-06-2008 1:00pm

#1

jdpl28

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Hi,

wondering when your mixing cement 3:1, do you mix by weight or volume? like do i mix 2 40kg bags of sand with 1 25kg bag of cement?

thanks,
J

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Comments

#2 03-06-2008 1:03pm

Latchy

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Use to be 3 shovels cement to 1 of sand or that may be the other way round ?

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#3 03-06-2008 1:37pm

davidoco

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see http://www.irishcement.ie/download/Mixing%20and%20Placing%20concrete.pdf which states use volume when reading factors.

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#4 03-06-2008 2:46pm

drag0n79

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latchyco wrote: »

Use to be 3 shovels cement to 1 of sand or that may be the other way round ?

Other way round.

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#5 04-06-2008 10:19am

sesswhat

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jdpl28 wrote: »

Hi,

wondering when your mixing cement 3:1, do you mix by weight or volume? like do i mix 2 40kg bags of sand with 1 25kg bag of cement?

thanks,
J

You wouldn't be far wrong at that as dry sand and cement are close enough in weight anyway. For smaller amounts you can measure volumes with a small bucket. I presume it's mortar for building.

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