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Carpenter Red Seal Exam Prep · Question

When framing a window opening, what are the vertical members extending from the header to the rough sill called?

Trimmers (also known as jack studs) are the vertical studs that support the header and run from the header down to the rough sill.

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Question: When framing a window opening, what are the vertical members extending from the header to the rough sill called?

Answer options: ✅ Trimmers or jack studs.

  • King studs.
  • Cripple studs.
  • Sill plates.

Correct answer: Trimmers or jack studs.

Explanation: Trimmers (also known as jack studs) are the vertical studs that support the header and run from the header down to the rough sill.

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