Welcome to the NEW and IMPROVED Sheet Metal Workers Local Union No. 104 Website. This website was developed so that YOU the members could have access to an array of important information and make paying dues easier than ever with the new online dues payment system! We have updated numerous features on the website and it is well worth exploring! Please, take a few brief moments to register and login, and check out the new exclusive Local 104 member area. If you had an account on the previous website, you must re-register unless you were registered on the Detailer Tracking System.