well known in the art that there are a number of roof truss profiles in addition to the triangular truss assembly 10 depicted in fig1 we do not intend to limit the application of the present invention to a triangular truss profile rather the present invention is applicable to all such truss profiles the web members 18 extend between the top chord members 12 and the upper bottom chord member 16 the opposite ends of the web members 18 are secured to the top chord members 12 and upper bottom chord member 16 for rigidifying the roof truss assembly 10 eight web members 18 are shown in fig1 it is understood that we do not intend to limit the application of the present invention to a roof truss assembly 10 having a predetermined position and number of web members 18 the number and the position of web members 18 will vary as necessary depending upon the size of a building and the lengths of the chord members 12 14 16 in order to provide the required structural strength with an acceptable safety factor each of the truss members is formed from a strip or sheet of metal the preferred material of construction is steel however the present invention is not limited to steel and other metals such as aluminum copper magnesium or other suitable metal may be appropriate the scope of the invention is not intended to be limited by the materials listed here but may be carried out using any material which allows the construction and use of the metal roof truss assembly 10.