The Simpson CBSTQ44-SDS2HDG CBSTQ Hot-Dip Galvanized Standoff Column Base is a cast-in-place column base from Simpson engineered to deliver enhanced strength and stability for 4x4 wood posts in residential and light commercial construction. Built with a code-required 1 in. standoff and a hot-dip galvanized finish, it provides a dependable, rot-resistant connection between wood posts and concrete foundations - whether the application is an exterior deck, covered patio, or light structural framing project.

Key Features

• Code-required 1 in. standoff design - elevates the post above the concrete surface to protect the post end from direct moisture contact, reducing the risk of rot and extending service life
• S-shaped bearing tabs - provide increased strength, allowing for higher downloads so the connector handles greater structural loads with confidence
• Includes 14 Strong-Drive SDS Heavy-Duty Connector screws - these 1/4 in. x 2 in. fasteners deliver a greater wood net section area than bolts, improving load performance while simplifying installation
• Hot-dip galvanized finish - provides extra corrosion resistance compared to standard coatings, making this column base well-suited for exterior environments and applications involving treated lumber
• Dual-gauge steel construction (base 12, strap 10) - thicker strap gauge where it counts most, giving the assembly the structural integrity needed for dependable post-to-foundation connections

Why This Product

• Built-in moisture protection from the start - the 1 in. standoff keeps wood posts clear of the concrete slab, addressing one of the most common causes of post deterioration in outdoor and ground-level construction without requiring any additional hardware
• Everything needed for installation is included - the 14 Strong-Drive SDS Heavy-Duty Connector screws ship with the base, eliminating a separate fastener purchase and ensuring the correct hardware is on hand when it matters
• Engineered for demanding exterior conditions - hot-dip galvanization offers a higher level of corrosion resistance than standard finishes, making this column base a reliable choice for exposed outdoor installations and connections to pressure-treated wood where chemical exposure is a factor
• Higher load capacity through thoughtful engineering - the combination of S-shaped bearing tabs, dual-gauge steel, and SDS screw fastening results in higher download capacity compared to earlier column base designs, giving builders and contractors a connector they can trust for structurally critical post connections

Specifications

• Model Number: CBSTQ44-SDS2HDG
• Brand: Simpson Strong-Tie
• Member Size: 4x4
• Gauge: Base 12; strap 10
• Width 1: 3-9/16 in.
• Width 2: 3-1/2 in.
• Height: 8-3/8 in.
• Depth: 7-1/8 in.
• Coating: Hot-Dip Galvanized
• Finish: Hot-Dip Galvanized
• Install With: Install with (14) 1/4 in. x 2 in. Strong-Drive SDS Heavy-Duty Connector screws (included)
• Country of Origin: United States

What's Included

Each pack contains (1) CBSTQ44-SDS2HDG Hot-Dip Galvanized Standoff Column Base, (14) 1/4 in. x 2 in. Strong-Drive SDS Heavy-Duty Connector screws.

Frequently Asked Questions

Why does the CBSTQ44-SDS2HDG have a 1 in. standoff design?

The 1 in. standoff design is a code-required feature that elevates the wood post above the concrete surface. This separation protects the post end from direct contact with moisture, significantly reducing the risk of rot and extending the service life of the post.

What makes the hot-dip galvanized finish important for this column base?

The hot-dip galvanization (HDG) provides an extra layer of corrosion resistance compared to standard finishes, making the CBSTQ44-SDS2HDG particularly well-suited for exterior applications and use with treated wood, where exposure to moisture and corrosive chemicals is a concern.

Why are SDS screws included instead of requiring bolts?

The included Strong-Drive SDS Heavy-Duty Connector screws provide a greater wood net section area than bolts, which contributes to higher load performance and a more efficient installation. The 14 screws needed for installation come included with the product.

What role do the S-shaped bearing tabs play in the CBSTQ44-SDS2HDG?

The S-shaped bearing tabs are a key structural element that provide increased strength to the column base, allowing for higher download capacities compared to previous models. This makes the CBSTQ a reliable upgrade for projects requiring secure post-to-concrete connections in residential and light commercial construction.

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