Precast Concrete Duct
Available in a range of sizes, Humes concrete ducting are highly durable and are designed to provide a high level of protection in various applications.
- Power
- Gas
- Water races
- Drainage
- The size range varies from 300 to 1250mm wide channels
- Designed to HN-HO-72 loading
- 100 year design life
- Manufactured to NZS 3109: 2007