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CB Column Base

CB

On This Page

The CB column base helps connect posts to the concrete for a broad range of members. The bottom of its base plate is designed to be flush with the concrete. CB bases accommodate glulam and solid sawn members ranging from 4x4 up to 12x12.

Material

  • Strap: CB4x, CB5x, CB6x — 7 gauge; CB7x and larger — 3 gauge. Base: CB4x through CB9x — 7 gauge; CB10x — 3 gauge.

Finish

  • CB44, CB46, CB48, CB66, CB68, CB610 — galvanized; all other CB — Simpson Strong-Tie gray paint or HDG. Some products available in HDG, stainless steel or black powder coat. (Note: When ordering powder coat, model number is CBxxPC.)

Options

  • CB is available in rough sizes. Other sizes available for CB; specify W1 and W2 dimensions. Consult Simpson Strong-Tie for bolt sizes and allowable loads.

Related Literature

Load Tables

    These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.

    For stainless-steel fasteners, see Fastener Types and Sizes Specified for Simpson Strong-Tie Connectors.

CB Column Base Load Table
  1. Loads may not be increased for duration of load.
  2. Concrete shall have a minimum compressive strength of f'c = 2,500 psi.
  3. To obtain LRFD values, multiply ASD seismic load values by 1.4 and wind load values by 1.67 (1.6 for 2012 IBC).
  4. In accordance with IBC, Section 1613.1, detached one- and two-family dwellings in Seismic Design Category (SDC) C may use "Wind and SDC A&B" allowable loads.
  5. Downloads shall be reduced where limited by capacity of the post.
  6. Designer is responsible for concrete design.

Code Reports

Part IAPMO UES ER ICC-ES ESR City of Los Angeles State of Florida
CB1010No evaluation report listing.
CB1012No evaluation report listing.
CB1212No evaluation report listing.
CB44 ESR-2523 ESR-3050 RR25985 FL10860
CB44SS No evaluation report listing.
CB46 ESR-2523 ESR-3050 RR25985 FL10860
CB46SS No evaluation report listing.
CB48 ESR-2523 ESR-3050 RR25985 FL10860
CB5-4.5No evaluation report listing.
CB5-6No evaluation report listing.
CB6-7No evaluation report listing.
CB610No evaluation report listing.
CB612No evaluation report listing.
CB64No evaluation report listing.
CB66 ESR-2523 ESR-3050 RR25985 FL10860
CB66SS No evaluation report listing.
CB68 ESR-2523 ESR-3050 RR25985 FL10860
CB7 1/8-4No evaluation report listing.
CB7 1/8-6No evaluation report listing.
CB7 1/8-7No evaluation report listing.
CB7-10.5No evaluation report listing.
CB7-6No evaluation report listing.
CB7-7.5No evaluation report listing.
CB7-9No evaluation report listing.
CB810No evaluation report listing.
CB812No evaluation report listing.
CB86No evaluation report listing.
CB88No evaluation report listing.
CB9-10.5No evaluation report listing.
CB9-6No evaluation report listing.
CB9-7.5No evaluation report listing.
CB9-9No evaluation report listing.

ESR-2523 is an Index of many of Simpson Strong-Tie Stamped and Welded Cold-formed Steel Products for Wood or Cold-formed Steel Construction

Drawings

Part Orthographic Perspective
CB1010
CB1010 Front View
DWG DXF
CB1010 Left View
DWG DXF
CB1010 Right View
DWG DXF
None
CB1012None None
CB1212None None
CB44
CB44 Front View
DWG DXF
CB44 Left View
DWG DXF
CB44 Right View
DWG DXF
CB44 Top View
DWG DXF
None
CB44SS
CB44 Front View
DWG DXF
CB44 Left View
DWG DXF
CB44 Right View
DWG DXF
CB44 Top View
DWG DXF
None
CB46
CB46 Front View
DWG DXF
CB46 Right View
DWG DXF
CB46 Top View
DWG DXF
None
CB46SS
CB46 Front View
DWG DXF
CB46 Right View
DWG DXF
CB46 Top View
DWG DXF
None
CB48None None
CB5-4.5None
CB5-4.5 Installed Perspective View
DWG DXF
CB5-6None
CB5-4.5 Installed Perspective View
DWG DXF
CB6-7None None
CB610None None
CB612None None
CB64None None
CB66
CB66 Front View
DWG DXF
CB66 Left View
DWG DXF
CB66 Right View
DWG DXF
CB66 Top View
DWG DXF
None
CB66SS
CB66 Front View
DWG DXF
CB66 Left View
DWG DXF
CB66 Right View
DWG DXF
CB66 Top View
DWG DXF
None
CB68None None
CB7 1/8-4None None
CB7 1/8-6None None
CB7 1/8-7None None
CB7-10.5None None
CB7-6None None
CB7-7.5None None
CB7-9None None
CB810None None
CB812None None
CB86None None
CB88
CB88 Front View
DWG DXF
CB88 Left View
DWG DXF
CB88 Right View
DWG DXF
CB88 Top View
DWG DXF
None
CB9-10.5None None
CB9-6None None
CB9-7.5None None
CB9-9None None