Aluminum Adhesive Conductor Fasteners on a VERY Dirty EPDM Roof! Example of a "Retro" Copper Air Terminal with White Glass Ball Private Residence-Eastern Shore, VA Electric Ground Interconnection Modified Bronze Finial with Spider Windvane-University of Richmond Copper Bus Bar Installation for Communications Room Common Grounding Flush Mounted Thor Systems TSz Surge Arrestor Installed on Flush Electrical Panel in Cabinet Steel Beam Connection Below Flat Roof Vegetative Roof Mound Air Terminal Install Recessed Ground Rod Test Well Ridge Mounted Copper Air Terminal on Concrete Pediment 3/8" x 12" Copper Through Roof Ridge Air Terminals Aluminum Down Conductor on Light Brick New Copper Down Conductor Routed Flush w/Brick Edge Oxidized Copper on Brick Edge Copper Concealed Residential System Installation of a spring-mount air terminal Aluminum Adhesive Mount Ridge Air Terminal-VA Museum of Fine Arts-Richmond, VA Copper Plate with flat copper strip utilized on Robertson's Windmill- Colonial Williamsburg, VA Lightning Protection Lingo Through Roof Connection For Metal Standing Seam Roof ◄ Back Next ► Picture 1 of 10 Completed through roof assembly-watertight and ready to accept roof conductor. Cupola Conductor Concealment and Decorative Finial Install ◄ Back Next ► Picture 1 of 2 Cupola top is removed to allow interior access. Ridge conductor is installed through base of cupola to maintain horizontal coursing of the conductor. Interior Exothermic Weld Connection to Ground Rod Below Concrete Floor ◄ Back Next ► Picture 1 of 7 New concrete is poured over chiseled out area of floor to cover ground conductor and ground rod.