text.skipToContent text.skipToNavigation

 

PB Post Base

PB

On This Page

The PB post base provides a connection between a post (or column) for decks, patio covers and other top-supported structures. Available with standard or ZMAX® galvanization, which offers extra corrosion resistance for outdoor or treated-wood applications.

Material

  • 12 gauge

Finish

  • Galvanized. Some products available in ZMAX or HDG coating. See Corrosion Information.

Installation

  • Use all specified fasteners; see General Notes.
  • Install either nails or bolts.
  • Post bases do not provide adequate resistance to prevent members from rotating about the base and therefore are not recommended for non-top-supported installations (such as fences or unbraced carports).
  • Holes are provided for installation with either 0.162" x 3 1/2" nails or 1/2" bolts for PB66 and PB66R; all other models use 0.162" x 3 1/2" nails only. A 2" minimum sidecover is required to obtain the full load.

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.

  1. Loads may not be increased for duration of load.
  2. Concrete shall have a minimum compressive strength, f'c = 2500 psi.
  3. Multiply Seismic and Wind ASD load values by 1.4 or 1.67 respectively to obtain LRFD capacities.
  4. In accordance with IBC Section 1613.1, detached one- and two-family dwellings in Seismic Design Category (SDC) may use “Wind and SDC A&B” allowable loads.
  5. Downloads shall be reduced where limited by capacity of the post.
  6. For lateral loads for all PB models: F1 allowable = 765 lbs. F2 allowable = 1325 lbs.
  7. Designer is responsible for concrete design.
  8. 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.
  9. 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.

Code Reports

Part IAPMO UES ER ICC-ES ESR City of Los Angeles State of Florida
PBSee specific model numbers for code listings.
PB44 ESR-3050 RR25985 FL10860
PB44R ESR-3050 RR25985 FL10860
PB44Z No evaluation report listing.
PB46 ESR-3050 RR25985 FL10860
PB46R No evaluation report listing.
PB66 ESR-3050 RR25985 FL10860
PB66R ESR-3050 RR25985 FL10860
PB66Z No evaluation report listing.

Drawings

Part Orthographic Perspective
PB44
PB44 Front View
DWG DXF
PB44 Right View
DWG DXF
PB44 Top View
DWG DXF
PB44 Installed Perspective View
DWG DXF
PB44RNone None
PB44Z
PB44 Front View
DWG DXF
PB44 Right View
DWG DXF
PB44 Top View
DWG DXF
High Wind Resistant Construction Detail D92: Post/Column to Foundation - HWRC D92 PostColumn to Foundation
DWG DXF
PB44 Installed Perspective View
DWG DXF
PB46
PB46 Front View
DWG DXF
PB46 Right View
DWG DXF
PB46 Top View
DWG DXF
None
PB46RNone None
PB66
PB66 Front View
DWG DXF
PB66 Right View
DWG DXF
PB66 Top View
DWG DXF
None
PB66R
PB66R Front View
DWG DXF
PB66R Right View
DWG DXF
PB66R Top View
DWG DXF
None
PB66Z
PB66 Front View
DWG DXF
PB66 Right View
DWG DXF
PB66 Top View
DWG DXF
High Wind Resistant Construction Detail D92: Post/Column to Foundation - HWRC D92 PostColumn to Foundation
DWG DXF