Breadcrumb Home CRPT Construction Technology CRPT-1411 CRPT-1411: Roof Systems Download Catalog PDF Download Page PDF Program CRPT Construction Technology Lecture Hours 3 Lab Hours 4 Credit Hours 4 Course Type N Principles of design and construction of a roof system incorporating gable, hip, valley and intersections. Emphasis given to safe work practices and the use and maintenance of tools and equipment. Prerequisites CRPT-1415, CRPT-1429.