Why the Metraflex Fireloop Changes Everything for Piping

If you've spent any time looking at seismic protection for fire sprinkler systems, you've probably run across the metraflex fireloop. It's one of those components that looks a bit strange at first glance—almost like a giant, flexible "U" made of braided stainless steel—but it actually solves some of the most frustrating headaches that engineers and contractors face when designing buildings in earthquake-prone areas. ...

March 2, 2026 · 7 min · Baillie Vainius