Paving Expert AJ McCormack and Son Aggregates for Paving ... Properties of many of the sands and aggregates used in the UK paving and ... Old concrete is crushed, graded and sold as selected fill; bituminous roads are planed ... of gravel and/or small stone (<60mm) with sand, often used to make concrete. ..... a sieve (or 0,5mm as those danged Eurocrats would have .