Profile: Extrudakerb (Maltby Engineering) Ltd. specializes in the design and construction of slipform concrete and extruded asphalt kerbing products. Slipform concrete pavers are used to undertake a variety of sub-contract works including the construction of concrete barrier, concrete drainage channel, concrete slot drain, and concrete slab paving. We also provide concrete & steel safety barrier, asphalt kerbing systems, and concrete drainage systems. Our concrete drainage systems include open water channels, slot drains and kerbs.