Free Ground Shipping Over $199

Simpson Anchors  |  SKU: ABW44RZ  |  Barcode: 707392303305

Simpson Strong-Tie ABW44RZ (4" x 4") ABU Adjustable Post Base for Rough Lumber with ZMAX Coating

$21.54
Shipping calculated at checkout.

Bulk Pricing Available

Need to place a large order? Request a quote

Key Specifications

Finish: ZMAX
For treated lumber: Yes
Material: Steel
Post size: 4X4
Type: Adjustable Post Base
 

Description

Simpson Strong-Tie ABW44RZ Description

The ZMAX Galvanized Adjustable Post Base for Rough 4x4 Lumber is designed to securely attach wood posts to existing concrete, making it ideal for decks, patio covers, and other top-supported structures. Its 1-inch standoff helps prevent post-end rot, while the slotted design allows for adjustability and optimal post placement.

Simpson Strong-Tie ABW44RZ Includes

  • (1) ZMAX Galvanized Adjustable Post Base for Rough 4x4 Lumber

Simpson Strong-Tie ABW44RZ Features

  • Attaches a post to existing concrete for decks, patio covers, and other top-supported structures
  • 1-inch standoff design helps prevent rot at the post end
  • Slotted base allows for adjustability and precise post placement
  • Engineered for versatility, cost-effectiveness, and maximum uplift performance
  • Made from 16-gauge steel for strength and durability
  • ZMAX galvanization provides extra corrosion resistance for exterior and treated-wood applications
  • Designed for use with rough cut 4x4 lumber

Simpson Strong-Tie ABW44RZ Applications

  • Securing wood posts to existing concrete surfaces
  • Deck construction and patio cover installations
  • Pergolas, gazebos, and other outdoor structures requiring lateral and uplift resistance
  • Projects needing adjustable post placement for optimal alignment

Simpson Strong-Tie ABW44RZ Installation Overview

  1. Position the post base on the concrete surface where the post will be installed.
  2. Align the slotted anchor hole for precise post placement.
  3. Attach the base to the concrete using a 1/2-inch concrete anchor (not included).
  4. Secure the post to the base using 10d common nails or #9 x 1-1/2 in. Strong-Drive SD screws.
  5. Ensure the 1-inch standoff is maintained to prevent post-end rot.

Simpson Strong-Tie ABW44RZ Specifications

Finish ZMAX Galvanized
Material 16-Gauge Steel
Post Size Rough 4x4
For Treated Lumber Yes
Fasteners Required (8) 0.148 x 3" Nails, (1) 1/2" Concrete Anchor
Country of Origin US
UPC 707392303305
Weight 1.4 lb
Width 4.25 in.
Height 6.75 in.

NOTE: This connector is designed for rough cut lumber only and will not fit nominal 4x4 posts. For nominal posts, use the ABW44Z Post Base.

WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

  • 400K Square Feet of Warehouse Space

    With over 400,000 square feet of warehouse space, Total Fastening is built for speed and scale. We are a full service retailer of Simpson Strong-Tie anchors, connectors, and structural solutions - so you get what you need, when you need it.

  • Real Support from Industry Pros

    When you call Total Fastening, you’re talking to experienced professionals—not a call center. Our team understands the products and the jobsite demands. Whether it’s a spec check or a bulk quote, we deliver answers fast and service you can count on.

  • Contractor Partner

    From one-man crews to large-scale builders, our sales team is on hand to support contractors at every level. Need bulk pricing? Bidding a job? Our team works directly with you to quote high-volume orders, assist with material lists, and keep your projects on schedule. We know what’s at stake when time and accuracy matter.