To calculate the proportions of concrete you require please use our calculator tool below. For example, for a 5m2 trench of a depth of 1/4 metres input:
(height) 5 X (width) 5 X 0.25 (depth)

Alternatively, you can click here to use our Screed Calculator or for screed and concrete delivery prices please get in contact with us directly via the contact section of our site.

Concrete Calculator

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Mixamate concrete and screed