Product Description
The Simpson BCS2-2/4Z BCS ZMAX Galvanized Post Cap for Double 2x Beam, 4x Post by Simpson Strong-Tie is a dual-purpose post cap designed to create a strong, positive connection between a double 2x beam and a 4x post on wood decks and similar structures. Featuring double-shear nailing between the beam and post for added strength, this post cap outperforms angled nailing or screw fastening methods while protecting against post splitting and end-grain nailing. Its ZMAX galvanized coating provides superior corrosion resistance, making it well suited for exterior and treated-wood applications.
Key Features
- Provides a positive connection for a post to a wood deck
- Stronger than angled nailing or screw fastening
- Reduces the chance of the post splitting and eliminates nailing into end grain
- Double-shear nailing between beam and post gives added strength
- Nominal size: Double 2x beam, 4x post
- Made from 18-gauge steel
- ZMAX galvanization offers extra corrosion resistance for exterior and treated-wood applications
- Not recommended for non top-supported installations (such as fences or unbraced carports)
Specifications
- Manufacturer: Simpson Strong-Tie
- MPN: BCS2-2/4Z
- Member Size: Double 2x beam, 4x post
- Gauge: 18
- Coating / Finish: ZMAX
- Width 1: 3-1/8 in.
- Width 2: 3-9/16 in.
- Length 1: 2-7/8 in.
- Length 2: 2-7/8 in.
- Height 1: 2-15/16 in.
- Height 2: 2-15/16 in.
- Install With: 10d common nails or #9 x 1-1/2 in. Strong-Drive SD screws (sold separately)
- Country of Origin: United States
Approved Applications
- Wood deck post-to-beam connections
- Patio cover post-to-beam connections
- Connecting double 2x beams to a 4x post in top-supported structural installations
- Exterior and treated-wood construction environments where corrosion resistance is required
Downloads and Resources
Frequently Asked Questions
- What beam and post sizes does the BCS2-2/4Z fit?
- The BCS2-2/4Z is sized for a double 2x beam and a 4x post, providing a secure connection between these two nominal lumber dimensions.
- Why is double-shear nailing important in this post cap?
- Double-shear nailing between the beam and post distributes load across two shear planes rather than one, delivering added strength compared to standard single-shear connections, angled nailing, or screw fastening alone.
- What fasteners should be used to install the BCS2-2/4Z?
- The BCS2-2/4Z should be installed with 10d common nails or #9 x 1-1/2 in. Strong-Drive SD screws. Always use all specified fasteners to achieve the rated load capacity.
- Is the BCS2-2/4Z suitable for use with pressure-treated lumber or in outdoor environments?
- Yes. The ZMAX galvanization on the BCS2-2/4Z offers extra corrosion resistance specifically designed for exterior and treated-wood applications, making it appropriate for outdoor deck and patio cover construction.
Note: Product dimensions and/or nail or screw holes may differ from picture. Not recommended for non top-supported installations (such as fences or unbraced carports).
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