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Property Descriptionmedium20% of exam

In residential construction, a header spans:

Correct Answer

B) The opening above a door or window, carrying loads across it

Why this is correct: A header is a horizontal structural member installed above a door or window opening. Its purpose is to carry the building load (from above) across the opening, transferring it to the vertical studs (trimmers) on each side. Why the other choices are wrong: 'The full length of the exterior wall along the top plate line' describes the top plate. 'The joint between the foundation and the sill plate' describes the sill plate or sill sealer. 'The ridge line where two roof planes meet at the peak' describes the ridge board or beam. Exam tip: Think of a header as a 'bridge' over an opening that supports weight. A sagging door or window can indicate header failure.

Answer Options
A
The full length of the exterior wall along the top plate line
B
The opening above a door or window, carrying loads across it
C
The joint between the foundation and the sill plate
D
The ridge line where two roof planes meet at the peak

Why This Is the Correct Answer

Why this is correct: A header is a horizontal structural member installed above a door or window opening. Its purpose is to carry the building load (from above) across the opening, transferring it to the vertical studs (trimmers) on each side. Why the other choices are wrong: 'The full length of the exterior wall along the top plate line' describes the top plate. 'The joint between the foundation and the sill plate' describes the sill plate or sill sealer. 'The ridge line where two roof planes meet at the peak' describes the ridge board or beam. Exam tip: Think of a header as a 'bridge' over an opening that supports weight. A sagging door or window can indicate header failure.

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