Hardware
Post Hardware
Simpson Strong-Tie
$25-$150 eachColumn Bases for Heavy Timber and Structural Column Support
Column bases are heavy-duty connectors for large timber columns, steel posts, and decorative columns on concrete foundations. Unlike standard post bases, they accommodate larger members and carry significantly higher loads with concealed design options.
Key Features
- Heavy-duty for large columns
- Concealed and surface-mount designs
- Adjustable height and alignment
- High load capacity
- Architectural and decorative options
Specifications
Material: Heavy-gauge galvanized or powder-coated steel | Column sizes: 6x6
8x8
10x10
steel | Models: CB
CCQ
EPB
CBS series | Capacity: 5000 to 25000+ lbs | Standoff: 1in to 3in
Best For
Timber frame construction
Commercial column support
Decorative porch columns
Heavy pavilion posts
Compatible Materials
Heavy timber columns
Glulam posts
Steel tube columns
Decorative wrapped columns
Concrete piers
Pros & Cons
Pros
- ✓ Very high load capacity
- ✓ Concealed options available
- ✓ Elevates column above concrete
- ✓ Adjustable for alignment
Cons
- ✗ Expensive for high-capacity models
- ✗ Heavy may need assistance
- ✗ Requires properly sized anchor bolts
Installation Tips
Set anchor bolts during pour with template for precision. Verify level before tightening. For concealed bases ensure column bottom is flat and square. Follow manufacturer's bolt spec.
Frequently Asked Questions
Column bases are for larger members (6x6+) with higher loads. They often include concealed options and ratings in thousands of pounds vs hundreds for post bases.
Yes. Concealed bases mount inside the column bottom, hidden from view. The column appears to rest directly on the surface.