The Simpson Glulam Column Base 9 x 6 is a heavy-duty structural connector from Simpson, purpose-built to anchor glulam 9" x 6" columns and compatible engineered wood products to concrete foundations. Designed for cast-in-place or wet-set installation, this column base positions the base plate flush with the concrete surface, delivering full post bearing and reliable load transfer in demanding structural applications - including those subject to wind and seismic loading conditions.

Key Features

• Engineered for glulam 9" x 6" columns - provides a precise, purpose-fit connection for glulam and compatible engineered wood products, eliminating guesswork and ensuring a structurally sound install.
• Cast-in-place or wet-set installation method - allows the base plate to sit flush with the concrete surface, giving the post full bearing area and maximizing load transfer directly to the foundation.
• Compatible with lumber and engineered wood products - broadens the range of column types this base can support, making it a versatile choice across both residential and commercial structural applications.
• Designed for high uplift resistance under wind and seismic loading - built to perform in structurally demanding environments where column connections must hold against lateral and uplift forces.
• Simpson Strong-Tie gray paint finish - provides durable corrosion resistance suited for outdoor and exposed structural settings where long-term finish performance matters.
• Requires only two 5/8" bolts for installation - keeps the fastener requirement straightforward and easy to plan for, streamlining the installation process on the jobsite.
• Made in the United States - reflects domestic manufacturing quality standards aligned with the rigorous demands of structural construction.

Why This Product

• Built specifically for glulam column connections - unlike generic post bases, this connector is engineered to the exact dimensional requirements of a 9" x 6" glulam column, giving builders confidence in fit, load path, and structural performance.
• Handles wind and seismic uplift demands - approved for applications requiring high uplift resistance, making it a dependable choice in regions where structural connectors face elevated lateral and vertical loading requirements.
• Suited for both commercial and residential construction - its rugged, high-capacity design scales across project types, from heavy timber residential builds to commercial structural framing requiring reliable post-to-concrete anchorage.
• Durable finish for exposed conditions - the Simpson Strong-Tie gray paint finish is approved for outdoor and exposed structural settings, reducing the risk of premature deterioration and supporting long-term performance of the connection.

Specifications

• Manufacturer: Simpson Strong-Tie
• MPN: CB9-6
• Nominal Column Size: Glulam 9" x 6"
• Fasteners Required: (2) 5/8" Bolts (sold separately)
• Finish: Simpson Strong-Tie gray paint
• Installation Method: Cast-in-place or wet set
• Width 1: 6 in.
• Width 2: 8-3/4 in.
• Country of Origin: United States

Approved Applications

• Post-to-concrete foundation connections for glulam columns
• Structural column bases for lumber and engineered wood products
• Applications requiring high uplift resistance under wind or seismic loading
• Commercial and residential construction requiring rugged, high-capacity column connections
• Outdoor and exposed structural settings where durable finish performance is required

What's Included

• 1x Simpson Strong-Tie CB9-6 Column Base
• Note: (2) 5/8" bolts are required for installation and are 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 CB9-6 designed to fit?

The CB9-6 is specifically engineered for glulam 9" x 6" columns, as well as compatible lumber and engineered wood products of that size.

How is the CB9-6 installed?

The CB9-6 is designed for cast-in-place or wet-set installation into concrete. The base plate sits flush with the concrete surface, providing full post bearing and maximizing load transfer to the foundation.

What fasteners are required to install the CB9-6?

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

Is the CB9-6 suitable for wind and seismic loading conditions?

Yes, the CB9-6 is engineered with increased uplift resistance, making it suitable for structural applications subject to wind or seismic loading conditions.