Simpson Strong-Tie CPT66Z 133mm x 133mm Concealed Post Base Pre-Galv

Part Number: CPT66Z
Pack Size: 1 Unit

Heavy-Duty Concealed Post Base for Larger Timber Posts

The Simpson Strong-Tie CPT66Z Concealed Post Base is crafted to deliver a sleek architectural finish while offering robust structural support. Designed for larger timber posts, it includes a 25mm standoff to elevate the post above concrete surfaces, significantly reducing moisture exposure and the risk of timber decay. This base is ideal for both cast-in and retrofit installations, making it a versatile solution across commercial and residential projects.

Key Features

• Concealed design offers a clean, professional appearance with hidden fixings

• 25mm standoff height prevents post-end moisture absorption and decay

• Suits minimum post sizes from 133mm x 133mm up to 150mm x 150mm

• Supplied with knife plate, standoff base, and 3 dowels

• Suitable for installation into wet concrete or existing slabs

Benefits

• Ideal for high-visibility architectural timber structures

• Enhances timber longevity in ground-level applications

• Strong structural support without visible brackets

• Compatible with modern timber designs in landscaping, decking, and framing

Dimensions

• A (Post Width): 133mm

• B (Post Depth): 133mm

• Compatible Post Size Range: 133mm to 150mm

Material Specification

• Material: Steel

• Finish: Pre-galvanised zinc coating

• Suitable for internal and sheltered outdoor environments

Items Included

• 1 x Knife Plate

• 1 x Standoff Base

• 3 x Steel Dowels

Typical Applications

• Large timber pergolas and pavilions

• Structural timber columns in residential or commercial builds

• Decorative and load-bearing outdoor timber posts

• Architect-designed frameworks with concealed fixings

Important Note

Lateral restraint is required for this product.