RogerS
Established Member
I need to concrete a small area and so will use bags of dry mix concrete. Does anyone know how I can convert from required concrete volume to dry weight in the bags?
StevieB":2luwme5g said:Why can't you stop at step 2 Roger? If its a ready mix then you do not need to know the proportions, just multiply by 1.65 to get the required volume of dry mix. (You can measure a bag to get the volume of each bag) the proportins shouldn't come into it should they? Or am I being daft? :?
Steve.
I think that means that 1.65 is the wrong number to multiply by - it gives the you the total pre-mixed volume of the three separately.
StevieB":3vbkhg82 said:Nope, its exactly right from the formula Roger provided.
Although to be honest, the difference between component materials and a ready mix is going to be so small as to be negligeable unless the hole to be filled is an olympic swimming pool
Steve.
Jake":3rge6zze said:20% or something would be my guess. Could be a bag or two depending on what he'd doing, which ooh, three quid or so?
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