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Sand/Cement Ratio

decrrrrrr · 2006-01-27 10:18:18

Looking to get some thoughts on this... The traditional mix, I'm being told is 4:1. But some builders would tell you to use 5:1 and others would even tell you to use 6:1 to avoid settling cracks. What would be the merits of using a 5:1 mix over a 4:1? Also what problems would you have using a 5:1 or 6:1 mix i.e. is the…

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27-01-2006 11:18am

#1

decrrrrrr

Registered Users Posts: 404 ✭✭

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Looking to get some thoughts on this...

The traditional mix, I'm being told is 4:1. But some builders would tell you to use 5:1 and others would even tell you to use 6:1 to avoid settling cracks.

What would be the merits of using a 5:1 mix over a 4:1? Also what problems would you have using a 5:1 or 6:1 mix i.e. is the blockwork structure as strong?

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#2 27-01-2006 11:57am
Cernunnous

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Have a read of http://www.pavingexpert.com/mortars.htm. I'd say the answer depends on what you are doing.

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#3 27-01-2006 12:19pm
decrrrrrr

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I guess I should have stated what it was for... :eek:

It's a house build...

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