Clean Stone (SuDS) 4-20mm
4-20mm Clean Stone (SuDS) is a free-draining crushed aggregate used as a bedding layer for block paving, gravel grids, and permeable landscaping systems.
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Description
4-20mm Clean Stone (SuDS) is a graded aggregate produced from crushed limestone, granite, basalt, or gritstone. Sized between 4mm and 20mm, it is widely used as a SuDS-compliant bedding layer for block paving and gravel grid installations. Its free-draining structure promotes water infiltration, helping reduce surface water runoff and supporting sustainable urban drainage. Durable and stable, it is also suitable for landscaping, paths, and general groundwork.
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