1 cubic metre of concrete

[Mark B]

Hi all

I'm about to do a conservatory base.

How much aggregate (tonnes) and how much cement (kg or bags) do I need per cubic metre.

Thank you

mark b

[Neil Jones]

According to

you will need 320 Kg cement, 600 Kg sand, 1200 Kg gravel and 300 L water.

It might be easier to phone a local ready-mixed firm or mix-a-mate type.

Neil

[Neil Jones]

Or even

[Wanderer]

Err, a *cubic* metre of concrete is one helluva lot of concrete......

[Neil Jones]

Well, yes and no. If the conservatory is 3m by 4m, it would give you less than 100mm thickness.

I managed to lose 4 cubic metres of concrete when I rebuilt my drive last year, and that was just for the edging!

Neil

[Mark B]

Then I need helluva lot of concrete x 1.4

mark b

[Mark B]

[Michael Mcneil]

Sounds like you were robbed.

Measure the space out in gunny sacks and order that many (+ a few extra) bags of sand and gravel (50/50) and order 1/6 as many hundred-weight bags of cement.

If you need a more cement go and fetch it in the car.

[Neil Jones]

I don't think so. The edge was 90 linear metres, 200mm wide, with depths ranging from 150mm to more than 350mm in places.

Neil

[Andy Dingley]

It gets a lot smaller after you've mixed it, and once you start laying it.

[nick smith]

How much does a cubic metre of concrete weigh ?

Nick

[The Natural Philosopher]

No its not. Its about a fifth of what a good readymix lorry contains from memory.

Or a few days of mixing and shovelling...

>

[The Natural Philosopher]

A couple of tons I think.

[Owain]

"nick smith" wrote ... | How much does a cubic metre of concrete weigh ?

We learned further up the thread that one cubic metre of concrete is one helluva lot.

So obviously it's going to weigh 1 helluva weight.

Owain