Subsoil consists of a variable mixture of small particles such as sand, silt and/or clay. It often lacks the organic matter and humus content of topsoil. Subsoil is an essential part of most soil profiles, providing moisture storage and reducing the rate of water run-off.
Introduced in 2013, the British Standard for Subsoil BS8601:2013 compliments the British Standard for Topsoil 3882:2007 and more recently, BS3882:2015 specification.
To adhere to the British Standard, a good certified subsoil should have
Ideally, the certified subsoil should be sourced from a single inert site and should be subject to testing for heavy metals and hydrocarbons to check for contaminants.
Soils and Stone have a number of high quality, certified, single source subsoils available . These can be delivered in the loose via grab or tipper lorry. Call one of the team today on 020 8546 3860 to discuss your project requirements.
Materials are delivered in the loose or via industry standard bulk bags. Our delivery options include grab, tipper, hiab off load, artics or walking floors (site constraints permitting)
Minimum order of 5 Bulk Bags or 5 m3.020 8546 3860