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Property Descriptioneasy20% of exam

Which component carries roof loads down to the foundation in a typical wood-framed house?

Correct Answer

C) Bearing walls and posts beneath beams

Why this is correct: In wood framing, roof loads travel from rafters or trusses to bearing walls or beams, then through studs and posts, and finally to the foundation. Bearing walls and posts beneath beams are the structural components that carry these loads down. Why the other choices are wrong: The ridge board acting alone at the peak is incorrect; the ridge board helps align rafters but does not carry the primary load. The roof sheathing membrane is wrong; sheathing provides a surface for roofing but does not transfer structural loads. The drywall shear surfaces is incorrect; drywall is a finish material, not a load-bearing element. Exam tip: In floor plans, identify walls aligned under roof ridges or beams as likely bearing walls.

Answer Options
A
The ridge board acting alone at the peak
B
The roof sheathing membrane
C
Bearing walls and posts beneath beams
D
The drywall shear surfaces

Why This Is the Correct Answer

Why this is correct: In wood framing, roof loads travel from rafters or trusses to bearing walls or beams, then through studs and posts, and finally to the foundation. Bearing walls and posts beneath beams are the structural components that carry these loads down. Why the other choices are wrong: The ridge board acting alone at the peak is incorrect; the ridge board helps align rafters but does not carry the primary load. The roof sheathing membrane is wrong; sheathing provides a surface for roofing but does not transfer structural loads. The drywall shear surfaces is incorrect; drywall is a finish material, not a load-bearing element. Exam tip: In floor plans, identify walls aligned under roof ridges or beams as likely bearing walls.

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