Extensions for cast-in fire collars are accessories used to extend the height of the collar for thicker slabs. Each extension adds 50mm of height to the top of the collar. Available for H65S, H110S and H150S cast-in collars. 65 Extension Documentation Downloads Drawing Revit Autocad DWG – Plan View Autocad DWG – Side View 110 Extension Documentation Downloads Drawing Revit Autocad DWG – Plan View Autocad DWG – Side View 150 Extension Documentation Downloads Drawing Revit Autocad DWG – Plan View Autocad DWG – Side View
