The Simpson EPB46-12 EPB Elevated Post Base for 4x6 with 12-in. Pipe is a cast-in-place post base from Simpson engineered to anchor the bottom of 4x6 posts and columns securely to concrete. Designed for decks, patio covers, and other top-supported structures, this base features a 12-in. pipe that sets directly into wet concrete as it cures, locking the connection in place while providing the code-required standoff height to help protect post ends from moisture-related rot.

Key Features

• Added standoff adjustability - accommodates a range of project requirements, giving contractors and builders flexibility to fine-tune post height above the slab
• Cast-in-place installation in wet concrete - the base sets as the concrete cures for a secure, permanent connection without additional anchoring hardware
• Code-required 1 in. standoff when properly installed; allows up to 2-1/2 in. of standoff above concrete - keeps post ends elevated to reduce moisture contact and helps meet building code requirements for rot protection
• 12-gauge base plate with 1-1/16 in. OD x 12 in. pipe - heavy-duty construction delivers reliable load transfer from post to concrete foundation
• Simpson Strong-Tie gray paint finish - provides a consistent, clean appearance suited to exposed structural applications
• Not recommended for non top-supported installations such as fences or unbraced carports - helps buyers confirm correct application fit before purchase, avoiding costly misuse

Why This Product

• Built-in rot protection with adjustable clearance - by holding the post end 1 in. to 2-1/2 in. above the concrete surface, this elevated post base actively reduces the moisture exposure that causes wood decay, extending the life of the post and the structure it supports
• Simplified installation process - designed to be set directly into wet concrete, this post base eliminates the need for post-cure drilling or anchor bolts, saving time during deck and patio cover framing
• Flexible standoff height suits varied site conditions - the adjustable elevation range means the same base can be used across projects with different drainage profiles or finish-concrete heights without requiring a different product
• Confidence in code compliance - engineered to deliver the 1 in. standoff required by building codes for post-to-concrete connections, this base helps ensure inspections go smoothly on decks and covered patio structures

Specifications

• Model Number: EPB46-12
• Member Size: 4x6
• Base Plate Gauge: 12
• Pipe: 1-1/16 in. OD x 12 in.
• Width (W): 5-1/2 in.
• Height (H): 3 in.
• Length (L): 3-5/16 in.
• Coating/Finish: Simpson Strong-Tie Gray Paint
• Install With: 0.162 in. x 3-1/2 in. nails
• Country of Origin: United States

Approved Applications

• Decks and patio covers requiring secure post-to-concrete connections
• Top-supported post and column installations cast into wet concrete
• Applications requiring 1 in. to 2-1/2 in. elevated standoff above concrete

Options

• Contact us for Configurable Options and Special orders

Frequently Asked Questions

What standoff height does the EPB46-12 provide above the concrete?

When properly installed, the EPB46-12 provides the code-required 1 in. standoff above concrete. It also allows up to 2-1/2 in. of standoff above concrete if a greater clearance is desired for your application.

Is this post base installed in wet or hardened concrete?

The EPB46-12 is a cast-in-place post base designed to be installed in wet concrete, allowing it to set securely as the concrete cures.

What size post is the EPB46-12 compatible with?

This post base is designed for a nominal 4x6 post size.

Can the EPB46-12 be used for fences or unbraced carports?

No. The EPB46-12 is not recommended for non top-supported installations, such as fences or unbraced carports. It is intended for use in top-supported applications like decks and patio covers.

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