Simpson Strong-Tie MPAI44 45-1/2" Masonry Purlin Anchor for I-Joist - Galvanized Specialty Self-Drilling Screws This adds versatility to the

This adds versatility to the product

Deck Construction: Ensures strong

Residential metal roofing projects

No pre-drilling required in most wood applications

Simpson Strong-Tie MPAI44 45-1/2" Masonry Purlin Anchor for I-Joist - Galvanized Specialty Self-Drilling Screws This adds versatility to theThe Simpson Strong Tie MPAI Masonry Purlin Anchor is engineered to provide a secure, code approved wood to concrete and wood to masonry connection for open web truss and I joist applications. Specifically designed for open web truss joint connections to concrete or masonry walls, the MPAI creates a reliable load path that transfers uplift and lateral forces from roof framing into the supporting structure. Built to accommodate the geometry of open web