The Metal Fin Pipe Foundation, pictured above, has been used in a new innovative application as a permanent vehicle barrier which can withstand a 40 mph vehicle impact, helping to seal off the Southwestern border of the United States. Click on US Border Fence Project for more information. The Metal Fin Pipe Foundation has been used for multiple applications supporting light poles, sign structures, communication towers, catenary systems, and transit systems. Please click on Completed Projects for more information.