The Simpson Strong-Tie CB9-9 Column Base is a heavy-duty structural connector engineered to securely connect posts and columns to concrete foundations. Designed for Glulam 8-3/4" x 8-3/4" columns, this column base is cast-in-place or wet set into concrete so that the bottom of the base plate sits flush with the concrete surface, providing full post bearing and maximum load transfer. Finished in Simpson Strong-Tie gray paint and manufactured in the United States, the CB9-9 delivers the high structural values and rugged performance demanded by engineers and contractors on demanding commercial and residential projects involving lumber, glulam, and engineered wood products.

Key Features

• Designed to connect posts to concrete foundations for lumber, glulam, and engineered wood product column sizes
• Cast-in-place or wet-set installation positions the base plate flush with the concrete surface for full post bearing
• Ideal for columns requiring high structural values and rugged performance
• Increased uplift resistance for wind or seismic loading
• Bolt hole locations meet code-required spacing for optimal capacity
• Finished in Simpson Strong-Tie gray paint for corrosion resistance
• Manufactured in the United States

Specifications

• Manufacturer: Simpson Strong-Tie
• Model / MPN: CB9-9
• Nominal Column Size: Glulam 8-3/4" x 8-3/4"
• Finish: Simpson Strong-Tie gray paint
• Fasteners Required: Bolts - (2) 5/8" (sold separately)
• Width 1: 9 in.
• Width 2: 8-3/4 in.
• Country of Origin: United States

Approved Applications

• Connecting glulam, lumber, and engineered wood product columns to concrete foundations
• Cast-in-place or wet-set concrete foundation installations
• Structural column connections requiring high uplift resistance
• Applications in wind- or seismic-loading environments
• Commercial and residential construction requiring code-compliant column base connections

What's Included

• 1x Simpson Strong-Tie CB9-9 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 column size is the CB9-9 designed to fit?

The CB9-9 is specifically designed for Glulam 8-3/4" x 8-3/4" columns. It is also approved for use with lumber and engineered wood products of the appropriate column size.

How is the CB9-9 installed?

The CB9-9 is installed using a cast-in-place or wet-set method, meaning it is set into fresh concrete so that the base plate sits flush with the concrete surface. This flush positioning provides full post bearing and maximum load transfer between the column and the foundation.

What fasteners are required to attach the column to the CB9-9?

Attaching the column to the CB9-9 requires two 5/8" bolts. The bolt hole locations are designed to meet code-required spacing for optimal load capacity.

Is the CB9-9 suitable for use in areas subject to wind or seismic loads?

Yes, the CB9-9 features increased uplift resistance, making it suitable for applications where wind or seismic loading is a concern. It is engineered to deliver high structural values for demanding commercial and residential projects.