Get one step closer to becoming a Florida Gypsum contractor with a prep course designed by Upstryve to help you conquer the required Florida Gypsum Trade Knowledge computer based examination.Test-taking techniques and practice examsExams similar to the actual test with hundreds of questionsBook overviewsSCOPEDefinition. A gypsum drywall contractor is a specialty contractor whose scope of work is limited to the installation of all necessary and incidental metal accessories, including non-load bearing metal studs, runners, hangers, channels, drywall metal suspension accessories and prefabricated ceiling materials; and the preparation of the surface over which drywall product is to be applied. This includes the application of base and finishes coats specifically designed for the gypsum drywall products of their own erection. This category shall not include plastering, block, or wood partitions. Nothing in this rule shall be deemed to restrict or limit in any manner the scope of work authorized by a law of other contractor classifications.