The Simpson Strong-Tie PBST46Z Post Base Standoff is a versatile, heavy-duty solution designed to secure vertical posts while providing corrosion protection and elevated clearance above concrete or masonry. Available in multiple sizes, this post base standoff helps prevent water contact, reduce deterioration, and maintain structural integrity over time.

Key Features

• Elevated Clearance: The standoff design lifts the post above the surface, promoting drainage and airflow to help prevent decay at the base.
• Durable Materials and Finishes: Manufactured from structural-grade steel, with ZMAX coating to resist corrosion in demanding environments.
• Load Capacity Options: Available in multiple widths and thicknesses to support varying load requirements. Each size is engineered to deliver strength and reliability in structural connections.
• Code-Tested for Safety: The PBST line is tested to meet relevant structural standards and includes published allowable stresses for use in engineered applications.

Applications

• Decks, Porches, and Patios: Ideal for anchoring support posts where moisture is a concern, such as over concrete slabs or masonry piers.
• Fences and Railings: Use in railing systems where elevated post bases help reduce rot and increase longevity.
• Timber Framing & Pergolas: Suitable for outdoor timber structures where posts need to be raised off the foundation surface.
• Commercial & Residential Use: Appropriate for both light residential applications and heavier structural installations, depending on size and material selected.

Installation Tips

1. Choose the Right Model: Match the PBST variant to your post size and load requirements
2. Anchor Securely: Fasten the base with anchor bolts or concrete screws sized per the allowable loads. Ensure anchors are properly embedded and torqued.
3. Position the Post Precisely: When placing the vertical post into the standoff, ensure proper alignment before tightening fasteners. Use shims if needed to maintain plumb.
4. Seal Gaps Where Needed: In tight joints or exposed areas, consider applying a bead of compatible sealant (e.g. polyurethane) to block water ingress around the post base.
5. Inspect Periodically: Over time, check for corrosion, fastener integrity, and any signs of movement. Replace or re-tighten fasteners if necessary.

NOTE: The correct fasteners installed in the correct position must be used to achieve published load values

California Residents: WARNING