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BC/BCS Post Caps

BC/BCS

On This Page

The BCS allows for the connection of (2) 2x's to a 4x post or (3) 2x's to a 6x post. Double-shear nailing between beam and post gives added strength. The BC series offers dual-purpose post cap/base for light cap or base connections.

Material

  • 18 gauge

Finish

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

Installation

  • Use all specified fasteners; see General Notes
  • Do not install bolts into pilot holes
  • BCS — install dome nails on beam; drive nails at an angle through the beam into the post below to achieve the table loads
  • BC — install with 0.162" x 3 1/2" nails or  0.162" x 2 1/2" joist hanger nails
  • 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)
  • To tie multiple 2x members together, the Designer must determine the fasteners required to join members to act as one unit without splitting the wood

Related Literature

Wood Construction Connectors 2019-2020
C-C-2019
A catalog including new product information as well as any applicable specification and installation instructions for wood-to-wood and wood-to-concrete structural connectors.
Catalog
Connectors & Fasteners for Modular Building
C-C-MODULAR18
A catalog featuring connectors and fasteners that are ideal for modular building.
Catalog
Conectores para la construcción con madera 2019–2020
C-C-2019SP
El catálogo incluye información sobre nuevos productos, así como especificaciones e instrucciones de instalación aplicables para conectores estructurales de madera a madera y de madera a concreto.
Catalog
High Wind Guide
F-C-HWG20
A comprehensive guide to help Designers select the most appropriate connections for challenging, high-wind regions.
Product Guide
Deck Connection and Fastening Guide
F-DECKCODE20
A guide to recognizing deck deficiencies and building or retrofitting safer, longer-lasting outdoor decks, with 2018 IBC and IRC code-compliant solutions for using the latest connectors and fasteners.
Product Guide
Do Your Decks Meet Code?
DIY-DECKPATIO18
A tearpad showing deck connections on one side and patio cover system connections on the other.
Flier
Strong-Tie DIY - Projects for a strong and beautiful home
S-HOMEPRJCTS18
A booklet featuring practical and attractive DIY projects for home and yard using Simpson Strong-Tie® connectors and fasteners, including Outdoor Accents®.
Flier
Strong-Tie DIY - Proyectos para una casa resistente y hermosa
S-HOMPRJCTS18SP
Un catálogo con proyectos prácticos y atractivos DIY para el hogar y el patio que utilizan conectores y sujetadores Simpson Strong-Tie® y accesorios Outdoor Accents®.
Flier
Connectors Installed on SCL Columns
T-C-SCLCLM18
A technical bulletin discussing the structural properties of the two different surface sides of SCL columns.
Technical Bulletin
Connectors Installed on SCL Columns
T-C-SCLCLMCAN20
A Canadian Limit States technical bulletin addressing typical installations of Simpson Strong-Tie® connectors on SCL columns as well as reduction factors for narrow-face SCL installations.
Technical Bulletin

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.

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

BC/BCS 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. 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.
  3. Base allowable loads assume that nails have full penetration into the supporting member. Loads do not apply to end-grain post installations.
  4. 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 Stainless Steel Nails
Model No. Fasteners Allowable Loads (160)
To Beam To Post Uplift Lateral
  1. SSA10d, SSA16d nails are Simpson Strong-Tie® stainless steel ring shank nails.
  2. NAILS: SSA10d and SS10d = 0.148" dia. X 3" long. SSA16d and SS16d = 0.162" dia. X 3 1/2" long. See other nail sizes and information.
BCS2-2/4SS 8-SS10d 6-SS10d 575 850
8-SSA10d 6-SSA10d 780 1025
BCS2-3/6SS 12-SS16d 6-SS16d 525 1055
12-SSA16d 6-SSA16d 800 1495
Load Values with Strong-Drive® SD Connector Screws
ModelNo. Nominal Post Size Fasteners Allowable Loads
Beam Flange Post Flange Uplift Lateral F1
CAPS

    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. Must be installed in pairs.
BCS2-2/4 4x 8-SD9212 6-SD9212 840 1115
ModelNo. Nominal Post Size Fasteners Allowable Loads
Post Flange Base Bottom Uplift Lateral F1 Lateral F2 Download
BASES

    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. Load shown for SET epoxy. For AT adhesive use 985 lbs.
BC40 4x 6-SD10112 4-SD10112 805 770 - -
BC60 6x 6-SD10112 4-SD10112 680 920 - -

Code Reports & Compliance

Drawings

PDF DWG DXF RFA IFC SAT

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