Manufacturers and suppliers of wire bar chairs and concreting accessories for the post tensioning and construction industries.
Straten Group has been supporting the post tensioning industry for over 15 years. We are committed to providing high-quality products and flexible logistics, shipping both Australia-wide and internationally.
We are the number one choice for your post tensioning supplies:
- Extensive range of products designed for durability, strength and ease of install
- Competitive pricing and low freight costs
- Our in-house manufacturing facility allows us to respond quickly to customer demand
- High stock levels maintained for prompt delivery
- Flexible shipping- we deliver to both warehouses and direct to site
- We are situated on Australia’s eastern seaboard, in a central location ideal for shipping all over Australia and direct to port for our international customers.
Our Products

Post Tensioning Bar Chairs
We stock a full range of PT Wire Bar Chairs to suit 70mm and 90mm duct, for both clip-on and tie-on applications.
Our in-house manufacturing capabilities mean we can continue to meet ongoing demand and prioritise your project deadlines.
PT Polymer Accessories
Straten Group caters for a wide range of polymer accessories, marked by strength, durability, and ease of install.
Our product range includes strand caps, stressing pans, grout vents, recess formers and more.

Simple solutions
Our products are designed to be robust and efficient, saving you time and money.

Stock on demand
High stock levels maintained for minimal lead times and prompt dispatch.

Flexible delivery
We ship Australia-wide and internationally, delivering to warehouses and direct to site.
