Simpson Strong-Tie MPAI44 45-1/2" Masonry Purlin Anchor for I-Joist - Galvanized Flat Head Blue Concrete Screws pre-drilling may be necessary to

pre-drilling may be necessary to prevent splitting

Whether you're anchoring heavy equipment

do not overtighten

Rolled Threads: Provide increased tensile capacity for structural anchoring applications

Simpson Strong-Tie MPAI44 45-1/2" Masonry Purlin Anchor for I-Joist - Galvanized Flat Head Blue Concrete Screws pre-drilling may be necessary toThe 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