Labels:bulletin board | hakham | sky OCR: Roof Trusses 21 Proprietary There are several proprietary truss shapes available They offer other advantages such as specialty connectors and engineering services /software that can reduce weight and/or increase the number that can be shipped in one load. Sizes are usually restncted Because of the lighter gage steel sections, spans are limited to about 80 feet. The market share continuously growing. The material price of proprietary Where as with product C-Channels, typical the includes the cost of engineering ma terial pnce typically does not include the price engineering To offset, this 1s their more efficient design and higher quality assuranc PREV NEXT> restricted proprietar assurance
