Welcome to Oamaru Shingle Supplies Ltd - Manufacturers of Concrete Masonry, Paving, Aggregate, Sands and Pit Run Materials

Building the world one block at a time

Add style without sacrificing quality with Firth Masonry


When it comes to building and construction masonry you need to know you can trust the materials you are using. That is why we manufacture products that can help build a solid, safe structure as well as add style and functionality to your build.


  • Paving & Kerbs
  • Retaining Walls & Fences
  • Designer Concrete
  • Fireplaces
  • Floor Tiles
  • Brick Veneers
  • Masonry Blocks
  • REMEMBER! Only Firth regrades are available from the depot, check your local supplier for all Firth products

For more product information on Firth masonry visit www.firth.co.nz

Get your water flowing the way it should with Humes


Sometimes it is nice to find a range of products designed to deal with your water and drainage need. Humes products are built to last and when it comes to managing your water you don't need to look anywhere else.


  • Corrugated Metal Pipe
  • Ductile Iron Pipe
  • Land Drainage Systems
  • Polyethylene Fittings
  • Polyethylene Pipe
  • Pump Stations
  • PVC Fittings
  • PVC Pipe
  • Rain Harvesting Systems
  • Retaining Walls
  • Septic Tank
  • Water Tank

It's been our specialty for years, talk to us about Aggregates!


Whether a hole needs filled, a driveway sealed, a solid foundation built, or some concrete poured, give us a ring to make sure you have the right high quality aggregate to meet your needs.


  • 6mm Down (Pea Gravel)
  • AP 20 - Crushed Metal 19mm (all-in)
  • AP 25 - Crushed Metal 25mm (all-in)
  • AP 40 - Crushed Metal 38mm (all-in)
  • AP 65 - Crushed Metal 65mm (all-in)
  • Bedding Sand
  • Block laying Sand - screened and mixed
  • Concrete Aggregate - 10 to 19mm
  • Concrete Aggregate - 5 to 13mm
  • Crusher Dust - 6mm down
  • Envirogrit
  • Filter Sand
  • Grey Aggregate - 19 to 32mm
  • Grey Aggregate - Ex-large stockpile
  • Grey Sand - Double Washed
  • Grey Sand
  • Hard Fill
  • Mixed Block Fill
  • Mixed Grade Chip
  • Ngapara Sand Fat screened to 5mm
  • Pit Run - Ex-pit
  • Premix Gravel with White Sand
  • Screened Soil
  • Washed White Sand - 2mm down
  • Washed White Sand - 3mm down
  • Washed White Sand - 5mm down
  • White Gravel - Ex-pit for driveways