
The Story
Simpson Strong Tie Concealed Post Base Suits 140mm to 152mm Square Posts is designed for secure post installations, providing a clean and concealed appearance while reducing decay risk.
The Simpson Strong Tie Concealed Post Base is engineered to accommodate 140mm to 152mm square posts, offering a 25mm standoff height that minimises the potential for timber decay at the post end. This product can be cast-in-place or retrofitted using adhesive or mechanical anchors, ensuring versatility in various applications. Constructed from heavier gauge carbon steel and finished with ZMAX® Galvanised, it ensures a robust connection. The CPT series is part of the concealed structural connector range, combining structural integrity with an unobtrusive design. It is suitable for Glulam and solid sawn timber, and all necessary installation pins and fasteners are included. The product is also available in multiple sizes, including options for corrosive environments.
Features
- Suits 140mm to 152mm square posts
- 25mm standoff to reduce decay at the post end
- Can be cast-in-place or retrofitted with adhesive or mechanical anchors
- Manufactured from 2.7mm carbon steel with ZMAX® Galvanised finish
- All installation pins and fasteners included
Specifications
| Dimensions (W x H x D) | 137mm x 146mm x 137mm |
| Weight | 1.63kg |
| Material | 2.7mm Carbon Steel with ZMAX® Galvanised Finish |
| Colour | Black |
| Model Number | CPT140Z |
Simpson Strong Tie Concealed Post Base Suits 140mm to 152mm Square Posts is a reliable solution for post support needs.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Simpson Strong Tie Concealed Post Base Suits 140mm to 152mm Square Posts is designed for secure post installations, providing a clean and concealed appearance while reducing decay risk.
The Simpson Strong Tie Concealed Post Base is engineered to accommodate 140mm to 152mm square posts, offering a 25mm standoff height that minimises the potential for timber decay at the post end. This product can be cast-in-place or retrofitted using adhesive or mechanical anchors, ensuring versatility in various applications. Constructed from heavier gauge carbon steel and finished with ZMAX® Galvanised, it ensures a robust connection. The CPT series is part of the concealed structural connector range, combining structural integrity with an unobtrusive design. It is suitable for Glulam and solid sawn timber, and all necessary installation pins and fasteners are included. The product is also available in multiple sizes, including options for corrosive environments.
Features
- Suits 140mm to 152mm square posts
- 25mm standoff to reduce decay at the post end
- Can be cast-in-place or retrofitted with adhesive or mechanical anchors
- Manufactured from 2.7mm carbon steel with ZMAX® Galvanised finish
- All installation pins and fasteners included
Specifications
| Dimensions (W x H x D) | 137mm x 146mm x 137mm |
| Weight | 1.63kg |
| Material | 2.7mm Carbon Steel with ZMAX® Galvanised Finish |
| Colour | Black |
| Model Number | CPT140Z |
Simpson Strong Tie Concealed Post Base Suits 140mm to 152mm Square Posts is a reliable solution for post support needs.











