Product Description
The Simpson BC46Z BC ZMAX Galvanized Post Cap for 4x6 by Simpson Strong-Tie is an 18-gauge steel post cap engineered to provide a secure, positive connection between a 4x6 post and a wood deck or beam. The ZMAX galvanized coating delivers superior corrosion resistance, making this cap well suited for exterior and treated-wood applications where long-term durability is essential.
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
- Made from 18-gauge steel for reliable light-duty performance
- ZMAX galvanization offers extra corrosion resistance for exterior and treated-wood applications
- Dual-purpose design serves as both a post cap and post base for light cap or base applications
- Not recommended for non top-supported installations (such as fences or unbraced carports)
Specifications
- MPN: BC46Z
- Nominal Post Size: 4x6
- Gauge: 18
- Coating/Finish: ZMAX
- Install With: 16d common nails or 16d x 2 1/2" joist hanger nails (sold separately)
- Width 1: 3-9/16 in.
- Width 2: 5-1/2 in.
- Length 1: 4-7/8 in.
- Length 2: 2-7/8 in.
- Height 1: 3-1/2 in.
- Height 2: 2-1/2 in.
- Country of Origin: United States
Approved Applications
- Connecting a 4x6 post to a wood deck structure
- Light post cap or base applications in deck and patio cover construction
- Exterior applications requiring enhanced corrosion resistance
- Installations involving pressure-treated lumber
Downloads and Resources
Frequently Asked Questions
- What is the nominal post size compatible with the BC46Z?
- The BC46Z is designed for use with a nominal 4x6 post size.
- What type of fasteners should be used to install the BC46Z?
- Install with 16d common nails or 16d x 2 1/2" joist hanger nails as specified for this post cap.
- Why is ZMAX galvanization important for this post cap?
- ZMAX galvanization provides extra corrosion resistance, making the BC46Z well suited for exterior environments and applications involving treated wood, where standard coatings may break down more quickly over time.
- Can the BC46Z be used for fences or unbraced carports?
- No. The BC46Z is not recommended for non top-supported installations such as fences or unbraced carports. It is intended for applications where the post is supported from the top, such as deck and patio cover connections.
Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.
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