Simpson BTH 5-5/8" x 7/8" High performance BTH Brick Tie Pkg 500Model No. BTH Description. 5 5 8" x 7 8" Brick Tie High Performance 3in Gap Pkg. 500 Finish Spec: G90 Galvanized Manufacturer Name: Simpson Strong Tie Material: 22 gauge BTH can be installed bent up or bent down Brick ties provide a connection between the wood structure and brick veneer. The new, high performance BTH brick tie is a tested solution for connecting masonry veneer to wood structures across airspaces from 2" to 3", providing the