Ridge structure detail drawing is given in this AutoCAD drawing model. Screw details are mentioned. Tiraphon or screw, 1/4 "x 4" galvanized, red granada tile ridge, 2 "x 3" belt, and 3 "x 6" joists are mentioned. For more details download the AutoCAD drawing file. Thank you for downloading the AutoCAD drawing file and other CAD program files from our website.