The Simpson Strong-Tie ABU is designed to attach wooden posts to existing concrete in high capacity applications. The built-in 1-in standoff of this adjustable post base helps to prevent rot at the end of the post. The ABU has a slotted anchor hole in the base for adjustability and attaches to the post with nails, Strong-Drive SD Connector screws or bolts. This versatile post base makes a cost-effective option for securing a post to the foundation, with a design built for maximum uplift performance.
The slot in the base enables flexibility around the anchor bolt, making precise post placement easier
1-in standoff design meets code requirements for structural posts installed in basements or exposed to weather or water splash
Increased uplift loads for earthquake or wind loading
Nominal post size: 4x4
Steel gauge: Base 16, strap 12
ZMAX galvanization offers extra corrosion resistance for exterior and treated-wood applications
Install with 0.162-in x 3-1/2-in nails, #10 x 1-1/2-in Strong-Drive SD screws, or 1/2-in diameter machine bolts