In a load-bearing wood-framed wall, a structural header spans:
Correct Answer
B) The opening above a door or window, carrying loads across it
The structural header spans an opening such as a door or window and transfers supported loads toward designed bearing points at its sides. It is not the full wall’s top plate, the foundation-to-sill joint or the roof ridge. Actual member design and bearing require appropriate construction information; a sagging door or window alone does not diagnose header failure.
Why This Is the Correct Answer
Option B is correct because a structural header spans the opening above a door or window and carries loads across it to vertical members at its sides. Building codes require headers or other approved assemblies over openings in load-bearing walls. Without a header, loads from above would have no path around the opening.
Why the Other Options Are Wrong
Option A: The full length of the exterior wall along the top plate line
Option A, the full length of the exterior wall along the top plate line, is wrong because that describes the top plate, which caps the wall studs. A header spans only an opening.
Option C: The joint between the foundation and the sill plate
Option C, the joint between the foundation and the sill plate, is wrong because the sill plate sits on the foundation and anchors the framing. A header is located above wall openings, not at the foundation.
Option D: The ridge line where two roof planes meet at the peak
Option D, the ridge line where two roof planes meet at the peak, is wrong because that location holds the ridge board or ridge beam, not a header.
Header heads the opening
The header sits at the head of a door or window opening, bridging it so loads can pass around the gap.
How to use: Use this to match the term header to its location over wall openings.
Exam Tip
Match each framing term to its location: header over openings, top plate on wall tops, sill on the foundation, ridge at the roof peak.
Common Mistakes to Avoid
- -Confusing the header with the top plate
- -Thinking headers are located at the foundation
- -Concluding a header has failed from a sagging door alone
Concept Deep Dive
Analysis
This question tests basic wood-frame construction terminology. A header is the structural member placed over a door or window opening in a load-bearing wall to carry loads across the opening. The reasoning is to match the term to its location and function and reject other framing locations.
Background Knowledge
Wood-frame walls consist of studs between a bottom plate and top plates. Where an opening interrupts the studs in a load-bearing wall, a header carries the load above to jack studs or other supports at each side. Appraisers should know this terminology to describe construction and recognize when a qualified professional should evaluate observed problems.
Real-World Application
An appraiser notices a sagging line above a wide patio door added during a remodel. The appraiser reports the observation and recommends a structural inspection, since the sag alone does not confirm the header has failed.
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