Our 40mm Scalps is the perfect material for projects needing to use sub-base materials. This product is similar to Type 1 sub-base.
40mm Scalpings is essentially quarry waste, they are clay contaminated stones that have been removed during a screening process ensuring the quality of larger rocks at the quarry. Whilst the concept of quarry waste might not sound appealing, scalpings are actually the perfect material for an evening out projects requiring a sub-base material. Scalps are the slightly cheaper alternative to Type 1.