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Simpson Post Caps

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Simpson Strong-Tie Post Caps

Simpson One-Piece Post Caps (Models BC, BCS, PCZ, EPCZ): Heavy-duty caps designed to connect beams to posts with lateral and uplift support. BC/BCS caps suit standard and heavier-duty applications, while PCZ/EPCZ caps provide fast, reliable post-to-beam connections, including end-of-structure reinforcement.

Simpson Two-Piece Post Caps (Models ACHZ, ZMAX, AC, LPCZ, LCE): Adjustable and versatile two-piece caps that accommodate varying post heights and lumber sizes. ACHZ/ZMAX offer corrosion resistance and flexibility for uneven posts, while AC/LPCZ/LCE provide strong lateral and uplift support for both new construction and retrofit projects.

Simpson Strong-Tie post caps are engineered to provide superior connection strength and protection for the tops of wood posts. These caps create a secure link between posts and beams or rafters, enhancing the overall stability of structures like decks, pergolas, fences, and outdoor framing. Beyond structural support, post caps shield wood from moisture infiltration and decay, extending the life of your construction while simplifying installation.

Simpson One-Piece Post Caps
  • Simpson Post Caps (Models BC, BCS): Heavy-duty, one-piece post caps designed to connect beams to posts with lateral and uplift support. BC caps are ideal for standard applications, while BCS caps feature enhanced double-shear nailing for heavier-duty needs. These caps are commonly used in residential and light commercial projects to ensure consistent load transfer and stability.
  • Simpson Post Caps (Models PCZ, EPCZ): Designed for fast and reliable post-to-beam connections, these caps accommodate general construction as well as termination points. PCZ caps are versatile for a broad range of beams and posts, whereas EPCZ caps are ideal for end-of-structure connections, providing additional reinforcement where loads converge.
Simpson Two-Piece Post Caps
  • Simpson Galvanized Adjustable Post Caps (Models ACHZ, ZMAX): Two-piece post caps designed to provide adjustable, corrosion-resistant connections for varying post heights. Ideal for outdoor applications where posts may be uneven, these caps ensure secure lateral and uplift support.
  • Simpson Post Caps (Models AC, LPCZ, LCE): Two-piece post caps that form strong, reliable connections between posts and beams. AC caps allow flexible nailing patterns for different load levels, LPCZ caps accommodate overhangs and deck framing, and LCE caps support a variety of lumber sizes, providing consistent strength and stability for new construction and retrofit projects.
Why Buy Simpson Strong-Tie Post Caps from TotalFastening

TotalFastening offers the complete line of Simpson Strong-Tie post caps, ensuring you get high-quality, code-compliant connectors for every project. With TotalFastening, you benefit from expert guidance, fast shipping, and access to both standard and specialty caps for light-duty and heavy-duty applications. Choosing TotalFastening guarantees your wood structures are built for maximum stability, longevity, and safety, whether you’re framing a deck, installing a pergola, or reinforcing fence posts.

Frequently Asked Questions

What is the difference between one-piece and two-piece post caps?

One-piece caps attach directly to the post and beam in a single unit, ideal for standard or light-to-medium-duty applications. Two-piece caps offer adjustable and versatile connections, suitable for uneven posts, retrofit projects, or applications requiring higher load capacity.

What lumber sizes do Simpson post caps support?

Post caps come in a variety of sizes. Models like AC, LPCZ, and LCE accommodate different post and beam dimensions, while adjustable caps like ACHZ and ZMAX allow flexibility for uneven or varying post heights.

Do two-piece post caps provide better load support than one-piece caps?

Two-piece post caps are ideal when adjustable height, retrofit capability, or higher lateral/uplift support is needed. One-piece caps are sufficient for standard connections but may be less flexible in retrofit or uneven post scenarios.

Can Simpson post caps prevent post rot?

Yes, post caps elevate the top of the post and protect it from water intrusion, reducing the risk of decay and extending the life of the structure.

What fasteners are recommended for Simpson post caps?

Depending on the model, Strong-Drive SDS screws, nails, or bolts are used. Following manufacturer specifications ensures maximum load transfer and structural integrity.

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