SILL AND FLOOR CONSTRUCTION

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CHAPTER 11

• SILL AND FLOOR CONSTRUCTION

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TYPES OF FRAMING

• Platform- most widely used
• Balloon-not practical anymore

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Platform framing

• Sill-starting point of the floor construction
  2x6 stud
• Box sill-2x6 plate, joists and headers that are
  the same size

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Parts

• Identify the parts
• Sill
• Header
• Floor joist
• foundation

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Floor joists

• Joists- provide support for the floor
• Spacing 12, 16 or 24 o.c.
• 2x10 or 2x12
• 1 ½ x 9 ¼, 1 ½ x 11 ¼ really

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Floor joistsspan

• Span- distance between supports.
• Dependent on material, load and material size

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Blocking and bridging

• Strengthens floor joist
• Blocking-solid blocks cut and nailed.
• Bracing-attached in X pattern

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subfloor

• Plywood
• 4x8 size
• OSB-oriented strand board
• ½ or 5/8 thick
• Across the joists for strength