Allen Concrete manufactures precast concrete products for the fencing and building industries. Allen Concrete manufactures a wide range of precast concrete fencing units to BS 1722 and BS EN. 12839, developed over many years. Our standard range includes slotted posts and gravel boards for timber panels, and spurs, and all units are wet cast to ensure a smooth finish to all mould faces. Allen also offers copings, pier caps, pre-stressed lintels, as well as beam and block flooring.