Skip to main content

Carpenter Red Seal Exam Prep · Question

When installing a pre-hung exterior door unit, what is the primary purpose of shimming the jambs?

Shimming is crucial to align the door frame perfectly, allowing the door to swing freely, latch correctly, and for the weatherstripping to seal effectively. Whi

Start free practice for Carpenter Red Seal Exam Prep

300 questions · no signup required · 40 free questions per day

Start Practice →

Question: When installing a pre-hung exterior door unit, what is the primary purpose of shimming the jambs?

Answer options:

  • To increase the R-value of the door frame
  • To prevent moisture intrusion around the frame ✅ To ensure the frame is plumb, square, and level for proper operation and weatherstripping seal
  • To provide a purchase for applying caulk around the perimeter

Correct answer: To ensure the frame is plumb, square, and level for proper operation and weatherstripping seal

Explanation: Shimming is crucial to align the door frame perfectly, allowing the door to swing freely, latch correctly, and for the weatherstripping to seal effectively. While it helps with the overall integrity, its primary role is dimensional alignment.

Start free practice for Carpenter Red Seal Exam Prep

300 questions · no signup required · 40 free questions per day

Start Practice →

More about Carpenter Red Seal Exam Prep

Related Questions

More for Carpenter Red Seal Exam Prep candidates

Ready to practice?

Free, no signup required. Build a wrong-question list as you go.

Start Free Carpenter Red Seal Exam Prep Practice →

Related courses

Other Canadian certifications candidates often prepare for alongside this one.