

About Spiral Grout Tube
We are a Sydney-based manufacturer and preferred supplier of Spiral Grout Tube to Post Tension Installers, Precasters, Formworkers and Civil Engineers.
Our product has been used in many significant residential, commercial developments and infrastructure projects around Australia.
A multi-purpose product commonly requested by engineers for the following applications:
- Casted into concrete precast panels to create a void to allow two panels to be joined.
- As dowel bar sleeves between concrete slabs.
- In post‑tensioned concrete slabs for bridges, customised slabs or overarching beams.
Available in Sizes: 40mm to 155mm (more details)
- Manufactured in Australia
- Premium Coating thickness >100um
- Lock‑tight seam offering premium flexibility
- Creative design for maximum concrete adhesion
- Custom sizing and packaging available
- Quick turnaround times
- Delivering nationwide
- Data sheet available on request
Sizes Available
Spiral Tube Internal Diameter | Standard Lengths | Standard Crate Size |
40mm | 5.8M | 100pcs* |
50mm
60mm |
2.5M / 5.8M
5.8M |
100pcs
100pcs* |
70mm | 2.5M / 5.8M | 100pcs* |
80mm | 2.5M / 5.8M | 100pcs* |
90mm | 5.8M | 50pcs* |
100mm / 110mm / 120mm | 5.8M | 50pcs* |
130mm / 150mm | 5.8M | 40pcs |
Coupler Sizing: | ||
55mm / 65mm / 75mm | 5.8M | 26pcs** |
85mm / 95mm / 105mm | 5.8M | 26pcs** |
115mm / 125mm / 135mm / 155mm | 5.8M | 26pcs** |
* May contain extra lengths
** Minimum order requirements
Contact Us
If you happen to have any questions about our Spiral Grout Tube product, pricing, or would like to become a reseller, please fill out the form below. One of our staff members will be contacting you within one business day.
Alternatively, please don’t hesitate to contact us on 02 8350 7993.
We are based in Sydney and regularly deliver throughout Australia and into New Zealand.