The Simpson EPB Hot-Dip Galvanized Pier-Block Elevated Post Base for 4x4 is a cast-in-place post base engineered to create a secure, code-compliant connection between 4x4 posts or columns and concrete foundations. Designed for decks, patio covers, and other top-supported structures, it sets directly into wet concrete and delivers the code-required 1-in. standoff to help protect post ends from moisture and rot. The hot-dip galvanized finish provides enhanced corrosion resistance, making it well suited for exterior conditions and treated-wood applications where a dependable, long-lasting connector is critical.

Key Features

• Adjustable standoff height - provides the code-required 1-in. standoff and allows up to 2-1/2 in. of standoff above concrete if desired, giving you flexibility to suit a variety of post-base applications
• Cast-in-place installation in wet concrete - the base sets directly into freshly poured concrete, creating a strong, permanent connection as the concrete cures around the threaded rod assembly
• Hot-dip galvanized finish - delivers extra corrosion resistance for exterior environments and treated-wood post installations where long-term durability is essential
• 12-gauge base plate with pre-assembled threaded rod hardware - the nut and washer ship assembled to the 3/4 in. x 6 in. threaded rod support, reducing setup time on the job site
• Top-supported structures only - specifically engineered for decks and patio covers; not recommended for fences or unbraced carports, so you can spec the right connector for your application with confidence

Why This Product

• Code-compliant standoff protection built in - the design meets the code-required 1-in. standoff requirement right out of the box, reducing guesswork on inspected projects like decks and patio covers
• Corrosion resistance engineered for tough exterior conditions - hot-dip galvanization goes beyond standard coatings to protect against moisture and the chemicals found in treated lumber, extending the service life of the connection
• Flexible standoff adjustment for real-world site conditions - the ability to dial in standoff height from 1 in. up to 2-1/2 in. above the concrete surface means the base can adapt to uneven pours or specific design requirements without additional hardware
• Simplified installation with hardware pre-assembled - the nut and washer arrive ready to go on the threaded rod, streamlining the concrete pour process and reducing the chance of missing components on the job

Specifications

• MPN: EPB44PHDG
• Member Size: 4x4
• Coating: Hot-Dip Galvanized
• Finish: Hot-Dip Galvanized
• Gauge: Base plate 12
• Threaded Rod Support: 3/4 in. x 6 in. (nut and washer shipped assembled)
• Install With: 3/4 in. diameter anchor bolt and 0.162 in. x 3-1/2 in. nails or #10 x 1-1/2 in. Strong-Drive SD screws
• Country of Origin: United States

Approved Applications

• Decks and patio covers requiring a secure post-to-concrete connection
• Top-supported post and column installations cast into wet concrete
• Exterior applications where corrosion resistance is required
• Treated-wood post installations where a hot-dip galvanized connector is specified

Downloads and Resources

• View Specifications

Frequently Asked Questions

What is the standoff range this post base provides above the concrete surface?

When properly installed, the EPB44PHDG provides the code-required 1-in. standoff and allows up to 2-1/2 in. of standoff above concrete if desired, giving you added adjustability to suit a variety of applications.

Can this post base be installed in wet concrete?

Yes. The EPB44PHDG is a cast-in-place post base designed specifically to be installed in wet concrete, creating a secure connection as the concrete cures around the threaded rod assembly.

Is this post base suitable for fences or unbraced carports?

No. This product is not recommended for non top-supported installations such as fences or unbraced carports. It is intended for top-supported structures such as decks and patio covers.

Why is the hot-dip galvanized finish important for this application?

Hot-dip galvanization (HDG) offers extra corrosion resistance, making the EPB44PHDG well suited for exterior environments and use with treated wood, where standard finishes may be susceptible to accelerated corrosion from moisture and preservative chemicals.

Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.