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CC Column Cap

CC

On This Page

The CC is designed to provide strong column-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. The CC helps to distribute the load from the beam and provide support for the connection.

Key Features

  • Certified welds for confidence in strength and loading
  • Uplift loads increased for earthquake or wind loading
  • Bolt spacing that meets NDS code requirements to ensure optimal performance
  • Diamond holes to provide temporary fastening

Material

  • CC3 1/4, CC44, CC46, CC48, CC4.62, CC64, CC66, CC68, CC6-7 1/8 — 7 gauge; all others — 3 gauge

Finish

  • Simpson Strong-Tie gray paint. Some products available in HDG, stainless steel or black powder coat

Installation

  • Use all specified fasteners; see General Notes
  • Bolt holes shall be a minimum of 1/32" to a maximum of 1/16" larger than the bolt diameter (per 2015 NDS, section 12.1.3.2); bolt holes should be drilled from one side all the way through the beam to maintain hole tolerances
  • Contact engineered wood manufacturers for connections that are not through the wide face

Options

  • Straps may be rotated 90° where W1 ≥ W2 (see illustration) and for CC5 1/4-6.
  • For special, custom, or rough-cut lumber sizes, provide dimensions. An optional W2 dimension may be specified. (The W2 dimension on straps rotated 90° is limited by the W1 dimension.)

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.

Model No. Beam Width (in.) Post Size Dimensions (in.) Bolts Allowable Loads (DF/SP)
W1 W2 L H1 Size Beam Post Uplift Down
(160) (100)
  CC3 1/4-4 3 1/8 4x4 3 1/4 3 5/8 11 6 1/2 5/8 4 2 3,150 16,980
  CC3 1/4-6 3 1/8 4x6 3 1/4 5 1/2 11 6 1/2 5/8 4 2 3,150 21,485
  CC44 3 1/2 4x4 3 5/8 3 5/8 7 4 5/8 2 2 1,850 19,020
  CC46 3 1/2 4x6 3 5/8 5 1/2 11 6 1/2 5/8 4 2 3,530 24,065
  CC48 3 1/2 4x8 3 5/8 7 1/2 11 6 1/2 5/8 4 2 3,530 24,065
  CC4.62-3.62 4 1/2 4x4 4 5/8 3 5/8 11 6 1/2 5/8 4 2 4,535 23,390
  CC4.62-4.62 4 1/2 (3) 2x4 4 5/8 4 5/8 11 6 1/2 5/8 4 2 4,535 30,070
  CC4.62-5.50 4 1/2 (3) 2x6 4 5/8 5 1/2 11 6 1/2 5/8 4 2 4,535 30,940
  CC5 1/4-4 5 1/8   5 1/4 3 5/8 13 8 3/4 4 2 6,300 26,635
  CC5 1/4-6 5 1/8   5 1/4 5 1/2 13 8 3/4 4 2 6,500 28,190
  CC5 1/4-8 5 1/8   5 1/4 7 1/2 13 8 3/4 4 2 6,645 35,235
  CC64 5 1/4, 5 1/2 4x6 5 1/2 3 5/8 11 6 1/2 5/8 4 2 5,545 28,585
  CC66 5 1/4, 5 1/2 6x6 5 1/2 5 1/2 11 6 1/2 5/8 4 2 5,545 30,250
  CC68 5 1/4, 5 1/2 6x8 5 1/2 7 1/2 11 6 1/2 5/8 4 2 5,545 37,815
  CC6-7 1/8 5 1/4, 5 1/2   5 1/2 7 1/8 11 6 1/2 5/8 4 2 5,545 37,815
  CC74 6 3/4   6 7/8 3 5/8 13 8 3/4 4 2 6,330 33,490
  CC76 6 3/4   6 7/8 5 1/2 13 8 3/4 4 2 6,790 37,125
  CC77 6 3/4   6 7/8 6 7/8 13 8 3/4 4 2 7,020 48,265
  CC78 6 3/4   6 7/8 7 1/2 13 8 3/4 4 2 7,145 48,265
  CC7 1/8-4 7   7 1/8 3 5/8 13 8 3/4 4 2 6,360 34,730
  CC7 1/8-6 7   7 1/8 5 1/2 13 8 3/4 4 2 6,825 38,500
  CC7 1/8-7 1/8 7   7 1/8 7 1/8 13 8 3/4 4 2 7,105 57,750
  CC7 1/8-8 7   7 1/8 7 1/2 13 8 3/4 4 2 7,190 52,500
  CC84 7 1/2 4x8 7 1/2 3 5/8 13 8 3/4 4 2 6,410 37,210
  CC86 7 1/2 6x8 7 1/2 5 1/2 13 8 3/4 4 2 6,885 41,250
  CC88 7 1/2 8x8 7 1/2 7 1/2 13 8 3/4 4 2 7,250 51,565
  CC94 8 3/4   8 7/8 3 5/8 13 8 3/4 4 2 6,580 47,545
  CC96 8 3/4   8 7/8 5 1/2 13 8 3/4 4 2 7,080 48,125
  CC98 8 3/4   8 7/8 7 1/2 13 8 3/4 4 2 7,455 62,565
  CC106 9 1/4 6x10 9 1/2 5 1/2 13 8 3/4 4 2 7,160 52,250
  1. Uplift loads have been increased for earthquake or wind loading with no further increase allowed. Reduce where other loads govern.
  2. Downloads shall be reduced where limited by allowable loads of the post.
  3. CC uplift loads do not apply to splice conditions.
  4. Splice conditions with CCs must be detailed by the designer to transfer tension loads between spliced members by means other than the column cap.
  5. Column sides are assumed to be aligned in the same vertical plane as the beam sides. CC4.62 models assume a minimum 3 1/2"-wide post.
  6. Structural composite lumber columns have sides that show either the wide face or the edges of the lumber strands/veneers known as the narrow face. Values in the tables reflect installation into the wide face. See technical bulletin T-C-SCLCLM for load reductions resulting from narrow-face installations.
  7. Beam depth must be at least as tall as H1.
  8. All references to bolts are for structural quality through bolts (not lag screws or carriage bolts) equal to or better than ASTM A307, Grade A.

Code Reports & Compliance

Drawings

PDF DWG DXF RFA IFC SAT