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Hardcore, pea gravel, coarse aggregate, all-in ballast, and blinding concrete — the bulk groundwork materials that arrive on tipper lorries and form the base layer under every foundation, slab, and drainage run.

Pea Gravel: The £100 Material That Decides Whether Your Drainage Passes Building Control

Pea Gravel: The £100 Material That Decides Whether Your Drainage Passes Building Control

Pea gravel is the bedding and surround for underground drainage pipes. Get the depth, particle size, and inspection sequence right - or fail Part H. £40-75 per tonne.