Concrete FAQs

Cement is a product used to make concrete. About 10-15% of cement is in concrete. When mixed with water it forms a paste and then sets like stone giving concrete its impressive strength and durability.

There are three ingredients in every type of concrete: water, cement and aggregate. 

No, concrete is a composite material. The ingredients in concrete are derived from rock. 

Calculating the exact amount of concrete you need for a  project can be difficult, but generally, it will be a simple calculation of the space's width, length and thickness. Use our Volume Calculator to find out how much concrete you'll need.

We can deliver concrete the same day or next day delivery. Contact us today for a free quotation. 

RKB Concrete supplies concrete to customers throughout Dartford, Gravesend, Kent and surrounding areas.