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Carpentry
Carpenter Red Seal Certification
Roof Framing & Trusses
Knowledge Check
Roof Framing & Trusses
Knowledge Check
Knowledge Check
1 / 19
What is the purpose of collar ties in roof framing?
A
To prevent the rafters from spreading and the walls from pushing out under load
B
To tie the rafters to the ceiling joists at mid-span
C
To support the ceiling drywall in the attic
D
To stiffen the ridge board against deflection
Check Answer
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