Joist hangers are designed to provide support underneath the joist, rafter or beam to provide a strong a connection. Simpson Strong-Tie offers a diverse line of hangers to handle almost any application with top flange, concealed flange and field-skewable and slopeable options. HUS hangers are designed for applications where higher load values are needed. HUS Galvanized Top-Flange Joist Hanger for Double 2×6 (Pack of 25).