Simpson Strong-Tie PAI28 Purlin Anchor for I-Joist, 12 Gauge - G90 Galvanized HDU/HDQ/HHDQ Holdowns 4" header at the top

4" header at the top of the anchor prevents the anchor from dropping below the surface and being pulled up into the mounting plate once the bolt is tightened

The ICFVL is designed to provide both vertical and lateral in-plane performance

Designed to be embedded into wet concrete

If you have a nominal post measuring 3-1/2x3-1/2" you will need an ABW44Z Post base

SSTB anchor bolts deliver the dependable performance needed for critical structural connections

Simpson Strong-Tie PAI28 Purlin Anchor for I-Joist, 12 Gauge - G90 Galvanized HDU/HDQ/HHDQ Holdowns 4" header at the topThe Simpson Strong Tie PAI Purlin Anchor is engineered specifically for securing I joists to concrete or masonry walls, providing a code approved wood to concrete and wood to masonry connection. Designed to support a continuous load path, the PAI helps transfer uplift and lateral forces from roof or floor framing directly into the foundation. Unlike standard purlin anchors, the PAI is tailored for I joist construction, accommodating the unique flange