The Simpson CC44HDG CC Hot-Dip Galvanized Column Cap is engineered by Simpson to deliver strong, reliable column-to-beam connections in wood construction. The seat of the column cap provides an additional surface area of bearing that extends beyond each side of the column, helping to distribute the load from the beam and provide robust support for the connection. Built from 7-gauge steel with a hot-dip galvanized finish, this column cap is well suited for demanding exterior installations and applications involving pressure-treated or chemically treated lumber where long-term corrosion resistance is a priority.

Key Features

• Certified welds - provide verified strength and loading confidence, so builders can trust the connection performs as engineered under real-world loads.
• Increased uplift load capacity - designed to handle elevated forces from earthquake or wind loading, adding a critical layer of structural security in high-demand environments.
• Bolt spacing that meets NDS code requirements - ensures optimal performance and simplifies the inspection and approval process on the job site.
• Diamond holes for temporary fastening - allow the cap to be held in position during layout and alignment before final bolting, speeding up installation.
• 7-gauge steel construction - delivers the thickness and rigidity needed for heavy-duty post-and-beam applications without unnecessary bulk.
• Hot-dip galvanized finish - provides a thick zinc coating that resists corrosion in exterior conditions and when in contact with treated wood, extending the service life of the connection.
• Compatible with nominal 4x beams and 4x posts - fits standard dimensional lumber used in decks, pergolas, carports, and structural wood framing, making sizing straightforward.

Why This Product

• Built for treated-wood and outdoor projects - the hot-dip galvanized coating is specifically suited for exterior column-cap applications and contact with pressure-treated lumber, where standard coatings can break down prematurely.
• Engineered for seismic and high-wind zones - with uplift loads increased for earthquake or wind loading and certified welds, this column cap supports structural connections that must meet elevated performance demands.
• Code-compliant bolt spacing out of the box - bolt layout is designed to meet NDS code requirements, reducing guesswork for contractors and helping projects clear inspections efficiently.
• Extended bearing surface for load distribution - the seat of the cap extends beyond each side of the column, spreading beam loads more evenly across the post and reducing stress concentration at the connection point.

Specifications

• Model Number: CC44HDG
• Member Size: 4x Beam, 4x Post
• Nominal Beam Width: 4x (3-1/2 in.)
• Height 1: 4 in.
• Width 1: 3-5/8 in.
• Length: 7 in.
• Width 2: 3-5/8 in.
• Post Size: 4x4
• Gauge: 7
• Coating / Finish: Hot-Dip Galvanized
• Dimensions W1: 3-5/8 in.
• Dimensions W2: 3-5/8 in.
• Dimensions L: 7 in.
• Dimensions H1: 4 in.
• Installation Hardware: Install with (4) 5/8-in. diameter HDG bolts (sold separately)
• Country of Origin: United States

Options

• Contact us for Configurable Options and Special orders
• Straps may be rotated where W1 >= W2.
  
• For special, custom, or rough-cut lumber sizes, provide dimensions. An optional W2 dimension may be specified. (The W2 dimension on straps rotated 90 deg. is limited by the W1 dimension.)

Frequently Asked Questions

What size post and beam is the CC44HDG designed to fit?

The CC44HDG is designed for a nominal 4x beam width and a nominal 4x post size, making it compatible with standard 4x4 posts and 4x lumber beams commonly used in wood construction.

Why is hot-dip galvanization important for this column cap?

Hot-dip galvanization (HDG) provides a thick, durable zinc coating that offers extra corrosion resistance, making the CC44HDG especially suitable for exterior applications and use with pressure-treated or chemically treated wood where standard finishes may degrade over time.

What fasteners are required to install the CC44HDG?

The CC44HDG is installed with (4) 5/8-in. diameter HDG bolts. The bolt spacing is designed to meet NDS code requirements to ensure optimal structural performance.

Is the CC44HDG suitable for use in high-wind or seismic zones?

Yes. The CC44HDG features uplift loads that have been increased to address earthquake and wind loading demands, and its certified welds provide added confidence in strength and load capacity for these challenging conditions.

Note: Product dimensions and/or screw/bolt holes may differ from picture.