As experts in the play surfacing industry, we can install rubber wet pour at fantastic prices. Wetpour is used in a number of schools and nurseries to create a safe playground for children to play in. Rubber wetpour is a rubberised crumb safety surfacing which is a two-layered system. The top layer, which is also known as the wearing course, is made up of EPDM rubber granules. The wearing course is laid over an SBR base layer.