AF SEISMIC JOINT
AF SEISMIC JOINT is a fire rated seal designed to grant El 120 properties (according to EN 1366-4) to expansion joints subject to movement. Its use is par-ticularly recommended for expansion joints with movement. (i.e.: areas with a high seismic risk). AF SEISMIC JOINT consists of two rock-wool mats treated with an ablative coating. The faces are covered with a foil of aluminum and a metal grid.