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Air Conditioning

Chilled & Condensor Water Piping

Water & Sewerage Treatment

Void Formers

Boiler Flues

Tunnel Ventilation

Culvert Pipe

Column Formers / Case Liners

Dust Collection / Pneumatic Conveying

Gas Cowls

Round Ducting

Oval Ducting

Round Spiral Welded


Void Formers

Roladuct void formers are designed for
maximum strength to weight ratio.

Void Formers


  • Increased bridge spans leading to savings in building costs
  • Lightweight high strength tubes
  • Easy handling and installation
  • Comply with all requirements of main road depts & other like construction bodies
  • Available up to 
    1500 mm diameter
void formers 2

Corrugated Profiles

Corrugated Profile 1

Type 1.
150 mm to 800 mm Dia

Corrugated Profile 2 Type 2.
Single deep corrugated size range 900 mm to 1500 mm Dia

Roladuct is now the supplier of Duraduct.

Click button for more technical information

Selection Charts - Round & Oval Fittings -   Round & Oval Connection Methods Friction Charts

  Roladuct operates Australia wide 

For more information email us at one of our offices

Email Victoria    Email New South Wales    Email Queensland  

Roladuct Spiral Tubing Pty Ltd  
PO Box 41, Kemps Creek NSW 2178  

Roladuct © 2010