William Gould, P.E. is Director of Codes and Approvals with Hilti Inc. and specializes in fastener qualification testing and evaluation. He is a member of the Steel Deck Institute Diaphragm Committee and AISI Committees on Connections and Diaphragm Design. He is also a member of the ICC Evaluation Services Advisory Committee. He can be reached at william.gould@hilti.com.
There are many types of ceiling hangers used on today’s construction projects, including powder-actuated fastening systems, post-installed concrete anchors and eye lag screws. Other hanger types may consist of wires alone without pre-mounted fasteners, anchors or ceiling clips.