The Simpson Strong-Tie CB7 1/8-6 Column Base is engineered to provide a secure, high-strength connection between posts and concrete foundations, accommodating a wide range of lumber, glulam, and engineered wood product sizes - including PSL 7-1/8" x 6" posts. Designed for either cast-in-place or wet-set installation, the base plate sits flush with the concrete surface to ensure full post bearing. Finished in Simpson Strong-Tie gray paint, the CB series is the go-to solution for columns demanding exceptional structural integrity and rugged, long-term performance under demanding load conditions.

Key Features

• Connects posts to concrete foundations for a wide range of lumber, glulam, and engineered wood product sizes
• Compatible with PSL 7-1/8" x 6" column sizes
• Cast-in-place or wet-set installation - base plate sits flush with concrete for full post bearing
• Increased uplift resistance for wind or seismic loading
• Bolt hole locations meet code-required spacing for optimal capacity
• Ideal for columns requiring high structural values and rugged performance
• Finished in Simpson Strong-Tie gray paint for durability and corrosion resistance
• Manufactured in the United States

Specifications

• Manufacturer: Simpson Strong-Tie
• MPN: CB7 1/8-6
• Column Size: PSL 7-1/8" x 6"
• Fasteners Required: Bolts - (2) 5/8"
• Finish: Simpson Strong-Tie Gray Paint
• Country of Origin: United States

Approved Applications

• Connecting PSL, glulam, and engineered wood posts to concrete foundations
• Structural column bases in residential and commercial construction
• Applications requiring high uplift resistance due to wind or seismic loading
• Cast-in-place or wet-set concrete foundation installations
• Columns requiring full post bearing at the base plate level

What's Included

• 1x Simpson Strong-Tie CB7 1/8-6 Column Base
• Note: (2) 5/8" bolts required - not included

• Contact us for Configurable Options and Special orders

Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.

Frequently Asked Questions

What post size is the CB7 1/8-6 column base compatible with?

The CB7 1/8-6 is designed specifically for PSL 7-1/8" x 6" column sizes, and is also compatible with lumber, glulam, and other engineered wood products of equivalent dimensions.

What fasteners are required to install this column base?

Installation requires two 5/8" bolts. The bolt hole locations are designed to meet code-required spacing for optimal load capacity.

What installation methods are supported by this column base?

The CB7 1/8-6 supports both cast-in-place and wet-set installation methods. In either case, the base plate sits flush with the concrete surface to ensure full post bearing.

Is this column base suitable for high wind or seismic loading conditions?

Yes. The CB7 1/8-6 features increased uplift resistance, making it well suited for applications subject to wind or seismic loading. It is engineered for columns requiring high structural values and rugged, long-term performance under demanding load conditions.