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. LGUM high-capacity beam or girder hangers are for concrete or masonry applications. Installation is made easier using Simpson Strong-Tie® Strong-Drive® SDS screws (provided) into the wood member and Titen HD® anchors (provided) into the masonry.