4 in. x 4 in. ABU Adjustable Post Base w/ ZMAX® Coating | SIM-ABU44Z

Simpson Strong-Tie's ABU Adjustable Post Base is made from heavy-gauge steel with a ZMAX coating for increased durability in treated lumber installations. Its adjustable fit accommodates a range of post sizes while offering secure anchorage for long-term performance. When paired with Simpson Strong-Ties SD Connector screws or nails, the ABU ensures a reliable and code-compliant connection for both residential and light-commercial framing projects.

• Features a 1-inch standoff to help prevent moisture-related wood decay
• Constructed from 12-gauge steel for enhanced structural load capacity
• Includes slotted anchor holes to allow for easier alignment during installation
• Features a ZMAX® coating for corrosion resistance in treated lumber applications
• The adjustable design fits multiple post sizes, making it suitable for a variety of framing projects