monolayer kerbs We have several models of monolayer kerbstones prefabricated from concrete. Here you can see them and if you are interested or have any questions, contact us. We advise you Types of Precast Concrete Monolayer Kerbs 14*28*50 Traffic Island39 KG/UD 10*20*2 Mountable Kerb17 KG 6*20*411,5 KG/UD 56*12*11 Divider12,5 KG/UD