We solve chimney problems. The All Season Control Cover, chimney top fireplace damper system, is perfect for new construction, or to repair or replace your current chimney caps or fireplace dampers. Choose from our standard units, or have your All Season Control Cover custom designed and built to suit your chimney. br br Website: br President: D.W. Crosby br Address: 2940 East 4430 South br Salt Lake City, UT 84124 br Phone: (801) 273-1800 br E-mail: controlcover@juno.