Rock dust is a very fine aggregate obtained by crushing limestone. It is very fine and is used as a finishing layer for paving stones, patio blocks and patio slabs. It can also be used as a filler between the slabs or flat stones of a patio.
Very fine stone with excellent compaction qualities as a finishing underlayment for above-ground pools, concrete slabs, patio blocks or interlocking pavers. Also used to fill the space between flagstones or flat stones in landscaping, or as a surfacing for footpaths and bicycle paths.
One 30 kg bag covers approx. 0.019 m³ (0.67 ft³)