Crushed concrete can be used in place of Type 1 and is cheaper Pure crushed concrete is not always available – Email: info Similar products 40mm Black Slate in a Bulk Bag (approx 875kg) £ +VAT 10mm Black Chippings/Basalt in a Bulk Bag (approx 875kg) £ +VAT 20mm Black Ice in a Bulk Bag (approx 875kg)