BUILT TO LAST
Designed for Australian conditions
Engineered to withstand the harshest climates and built to last with premium materials, this product is crafted with care for everyday Australian life.
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40,000+ Australian customers · Australian-owned & operated
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Overview
Simpson Strong Tie Concealed Post Base Suits 90mm to 100mm Square Posts is designed for secure support of square posts, enhancing durability and reducing decay.
The Simpson Strong Tie Concealed Post Base is engineered to accommodate 90mm to 100mm square posts, providing a robust solution for various construction applications. With a 25mm standoff height, it effectively minimizes the risk of decay at the post end. This product can be cast-in-place or retrofitted using adhesive or mechanical anchors, ensuring versatile installation options. Constructed from heavier gauge carbon steel and finished with ZMAX® Galvanised, it offers a strong connection while maintaining a clean, concealed appearance. The CPT is suitable for both Glulam and solid sawn timber, and it includes all necessary pins and fasteners for installation. The 90mm size is also available in 316 Stainless Steel for environments prone to corrosion, such as coastal areas.
Features
- Suits 90mm to 100mm square posts
- 25mm standoff height 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
- Includes all pins and fasteners required for installation
Specifications
| Dimensions (W x H x D) | 90mm x 146mm x 90mm |
| Weight | 0.95kg |
| Material | 2.7mm Carbon Steel with ZMAX® Galvanised Finish |
| Colour | Black |
| Model Number | CPT90Z |
| Volume/Size | 90mm |
Simpson Strong Tie Concealed Post Base Suits 90mm to 100mm Square Posts is a reliable choice for structural support.
Specifications
Specifications will vary by product. Please refer to the product description above or contact us before ordering if you need a specific measurement.
Shipping & Returns
Shipping
Orders are dispatched from our Sydney and Melbourne warehouses within 1–2 business days of payment. Delivery times from Sydney:
- NSW & ACT: 2–5 business days
- VIC & QLD: 2–7 business days
- SA: 3–8 business days
- TAS: 4–10 business days
- WA: 5–10 business days
Tracking is provided on dispatch. Remote postcodes may incur additional fees.
30-day change-of-mind returns
We offer a 30-day change-of-mind return on select unopened products in original packaging (excluding health/safety items or bulk purchases). Email us within 30 days of delivery to start a return.
A restocking fee of 7–25% applies, plus return postage (unless approved otherwise). Customer-incurred postage costs are non-refundable without prior approval.
Faulty or damaged on arrival
If your product arrives faulty or damaged, contact our support team with your order number, photos/videos of the fault, and the original packaging. Do not return items without a return authorisation.
Warranty
12-month Australian warranty on this product unless noted otherwise. The warranty covers manufacturing defects under normal use.
The warranty does not cover:
- Damage caused by misuse, incorrect installation, or modification.
- Damage during delivery (claim under shipping policy instead).
- Normal wear and tear.
To claim warranty: contact our support team with your order number, photos/videos of the fault, and a brief description. We will assess the claim and offer a replacement, repair, or refund as appropriate.
AUTOMATION
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AUSSIE SUPPORT
Backed by genuine Australian support
Local warranty, fast dispatch from Sydney, and Australian customer service Mon-Fri. We are a real business with real people, just a phone call away.
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Why Aussies Shop With Auzzi
A registered Australian business with real local support, transparent pricing, and fair returns.
Australian Business
ABN 79 670 758 782. Registered in Australia.
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Ships fast from our Sydney + Melbourne warehouses.
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30-Day Returns
Change-of-mind returns within 30 days.