SW003 – TOP HAT EXTRUSION:
The top hat extrusion is a sub framing system to support the panel system. It does not rotate or sage like galvanized ‘z’ framing. When the support wall is masonry it has to be only anchored at the corners of the panel, it is designed to support the panel weight and 140 m/p/h wind loading. It can also be used to reinforce the face of large panels. The two flanges of the top hat extrusion is fastened to the back of the panel with double face tape. The ends are notched and are fastened to the sw002 perimeter extrusion.