Advantage™ Replaceable Cast Iron Tactile Walking Surface Indicator (TWSI) plates are manufactured in strict accordance with ASTM A-48, Class 35B Grey Cast Iron.
The Advantage™ Cast in Place System is lightweight with exceptionally high strength and utilizes the most advanced metallurgical Engineering Science and Technology to meet and exceed the most stringent municipal standards.
Advantage™ Replaceable Cast Iron is aesthetically pleasing, has exceptional longevity, and incorporates integral texture for a permanent slip-resistant surface.