What is the most common spacing for floor joists? 16 inches In platform construction, the wall studs extend from the: Soleplate to the top plate What is the name of the full length stud that a jack stud is fasten to King stud To stiffen floor construction, a builder should: Use proper bridging Where practical and I-beam can be replaced in residential construction by: A load bearing wall Recommended installation of sheet subflooring over Joist is: Perpendicular to joists Which of the following may be used as sub flooring? A. Common boards B. shiplap C. plywood D. all of the above In balloon framing the second floor joists rest on: A. collar ties B. the ribbon C. top plate D. rafters Position of the ceiling joists should be coordinated with: a. Studs b. Rafters c. Top plate