We produce a full range of asphalt products that are used for roads and other paved areas. These asphalts can be either delivered or collected from one of our production units. Click on the product for description. The following materials are Dense Base (Roadbase) layers i.e. they are the first layer over the sub grade or sub strata and the primary layer to provide the strength of the overall surfaced road. Depending on the design characteristics of the road, Dense Base (Roadbase) materials may be laid in one or more layers.