Chapter Ii. Main Frame 27
9. Methods of framing superstructure; 10. Sills and girders; 11. Bridging; 12. Trimmers and headers; 13. Walls and partitions; joists and rough floors; 14. Openings in framework.
9. Methods of framing superstructure; 10. Sills and girders; 11. Bridging; 12. Trimmers and headers; 13. Walls and partitions; joists and rough floors; 14. Openings in framework.