Build with confidence using premium GAP 20 aggregate, the trusted base course material for driveways, paving, patios, shed floors, and concrete foundations across New Zealand. GAP 20 is a graded crushed stone (20mm down to fines) designed to compact tightly, creating a solid, stable and long-lasting foundation layer for residential and commercial projects. Choose Our GAP 20 Superior compaction strengthExcellent drainage supportReduces surface movement & sinkingIdeal under pavers & concreteDriveway base preparationUnder concrete slabsPathways & hardstand areas Citi Landscape Supplies – Auckland Delivery ✅ Delivery across Auckland✅ Trade & bulk orders welcome✅ Same-day loading (stock permitting)Project help & free onsite quotesMessage us for stock & delivery09 869 2887 | 020 417 00005citilandscapesupplies.co.nz