A three-times nominal wood top plate fastens to the top chord of a structural steel roof truss purlin using number fourteen by two-inch wood screws spaced at twelve inches on center, staggered at each angle. Sub-purlins space at twenty-four inches on center alongside the purlin assembly. Two rows of continuous edge spacing apply, requiring four lines where staggered and six lines where three lines of nailing are specified.
3x TOP PL W/ #14x2" WOOD SCREWS @ 12"OC STAGGERED AT EACH ANGLE SUB-PURLIN @ 24"OC ROOF TRUSS PURLIN (2) ROWS AT CONT EDGE SPACING (4 LINES WHERE STAGGERED, 6 LINES WHERE 3 LINES OF NAILING IS REQD) NAILER PLAN VIEW 12" 12" 24"
Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.
Start membership