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Questions and Answers
What are the two prime functions of a ceiling joist?
What are the two prime functions of a ceiling joist?
- To reinforce the roof and prevent wall movement
- To act as a decorative element and provide insulation
- To tie the walls together and support the ceiling (correct)
- To increase the structural integrity and improve ventilation
When is ceiling joist framing undertaken?
When is ceiling joist framing undertaken?
- After the walls are erected (correct)
- Before the walls are erected
- It depends on the type of structure being built
- Simultaneously with the wall construction
What are ceiling joists attached to?
What are ceiling joists attached to?
- The floor beams
- The foundation of the structure
- The roof trusses
- The wall plate at the top of the walls (correct)
What additional function can a ceiling joist serve in a top floor structure?
What additional function can a ceiling joist serve in a top floor structure?
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How does the joist-and-rafter configuration help in a sloped roof construction?
How does the joist-and-rafter configuration help in a sloped roof construction?
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Study Notes
Ceiling Joist Functions
- Ties the walls of a structure or room together to form a box configuration
- Supports the ceiling of the structure or room
Ceiling Joist Framing
- Undertaken after the walls are erected
- Involves installing horizontal beams that run parallel from one wall to the opposite wall of the structure
Ceiling Joist Attachment
- Attached to the top of the wall at the wall plate
- May also support a flat roof, in addition to the ceiling, at the top floor of a structure
Sloped Roof Construction
- Each joist support is attached to a roof rafter, the angled roof support beams
- The joist-and-rafter configuration prevents the sloped roof construction from pushing the walls of the structure outward
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