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AC Adjustable Post Cap

AC

On This Page

The AC is designed to provide a secure connection between a beam and a post. This post cap is ideal for new or retrofit applications where structural support is needed. The AC features both minimum and maximum nailing patterns for different load options.

Key Features

  • Galvanized for corrosion resistance
  • Eliminates nailing into end grains
  • Load rated when installed in pairs
  • Maximum nailing option for increased loads

Material

  • 18 gauge

Finish

  • Galvanized. Some products available in ZMAX® coating or stainless steel. See Corrosion Information.

Installation

  • Fill all round holes for minimum load capacity. Fill all round and all triangular holes for maximum load capacity.
  • Use all specified fasteners; see General Notes.
  • Install all models in pairs to achieve allowable loads.

Related Literature

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Product Information Table

Fastener Production Information and Stuff & Things
Model No. Ga. W (in.) L (in.) Coating/Material Packaging Qty.
AC4 18 3 9/16 6 1/2 Zinc Galvanized, G90 1
AC4RZ 18 4 7 ZMAX® 1
AC4SS 18 3 9/16 6 1/2 Stainless Steel 1
AC4Z 18 3 9/16 6 1/2 ZMAX® 1
AC6 18 5 1/2 8 1/2 Zinc Galvanized, G90 1
AC6RZ 18 6 9 ZMAX® 1
AC6SS 18 5 1/2 8 1/2 Stainless Steel 1
AC6Z 18 5 1/2 8 1/2 ZMAX® 1

Load Tables

    These products are available with additional corrosion protection.

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

    Many of these products are approved for installation with Strong-Drive® SD Connector screws.

AC Post Caps Load Table
  1. Allowable loads have been increased for wind or earthquake loading with no further increase allowed. Reduce where other loads govern.
  2. Connector table loads and fastener quantities are listed for two parts.
  3. Lateral load is in the direction parallel to the beam.
  4. For minimum nailing quantity and load values, fill all round holes; for maximum nailing quantity and load values, fill all round and triangular holes.
  5. Uplift loads do not apply to spliced conditions. Spliced conditions must be detailed by the designer to transfer tension loads between spliced members by means other than the post cap.
  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. Fasteners: Nail dimensions in the table are listed diameter by length. For additional information, see Fastener Types and Sizes Specified for Simpson Strong-Tie Connectors.

Load Values with Strong-Drive® SD Connector Screws

ModelNo. Nominal Post Size Fasteners Allowable Loads
Beam Flange Post Flange Uplift Lateral F1

    These products are available with additional corrosion protection.

  1. Must be installed in pairs.
AC41 (Min) 4x 12-SD10112 8-SD10112 1430 715
(Max) 4x 14-SD10112 14-SD10112 2740 1485
AC61 (Min) 6x 12-SD10112 8-SD10112 1430 715
(Max) 6x 14-SD10112 14-SD10112 2920 2125

Code Reports & Compliance

Drawings

PDF DWG DXF RFA IFC SAT

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