Home Products and services Aggregates Specialist aggregates Specialist aggregates We are proud to offer a range of specialist aggregates across the UK, with dedicated logistics capability to provide flexible and rapid delivery nationwide. These include; Rock Armourstone, Rip rap, pitching stone and Gabion stone. - All --Specialist aggregates Type of page - All -Product 8 Results Xbloc Xbloc is a large wave breakwater armour unit. The Xbloc system is based on randomly placed, interlocking concrete armour units. Track Ballast Specialist bedding stone made from natural stone used for laying below railway sleepers. Gabion Stone Our Gabion stone is commonly used as a fill material for Gabion stone baskets, nets and rolls. Woodhall Spa Based in Kirkby on Bain, Woodhall Spa Quarry sells locally extracted materials, in addition to a wide variety of other products, sourced from all over the UK. Rip Rap Rip Rap is a crushed rock available in 300-700mm and 500mm-700mm sizes. It’s an effective choice for the protection of shorelines, structures and rivers offering long lasting wave dissipation and scour protection. Quattroblock The Quattroblock is designed for moderate waves. This innovative block is a combination of four basalton concrete columns placed next to each other Armourstone Armourstone is natural quarry stone, chosen for its durability and resistance to wear and erosion. Pitching stone A 150-300mm stone used as a walling stone some also use this for a larger option when filling gabion baskets.