Skip to main content

Carpenter Red Seal Exam Prep · Question

What is the typical maximum height of a wood-frame exterior wall that permits the use of 38x140 mm (2x6) studs spaced at 600 mm on centre in accordance with the National Building Code of Canada, assuming it supports a maximum of one storey and a roof?

According to NBC framing tables, 38x140 mm studs at 600 mm o.c. supporting one floor and a roof have a maximum permissible height of approximately 3.6 metres, a

Start free practice for Carpenter Red Seal Exam Prep

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

Start Practice →

Question: What is the typical maximum height of a wood-frame exterior wall that permits the use of 38x140 mm (2x6) studs spaced at 600 mm on centre in accordance with the National Building Code of Canada, assuming it supports a maximum of one storey and a roof?

Answer options:

  • 2.7 metres
  • 3.0 metres ✅ 3.6 metres
  • 4.2 metres

Correct answer: 3.6 metres

Explanation: According to NBC framing tables, 38x140 mm studs at 600 mm o.c. supporting one floor and a roof have a maximum permissible height of approximately 3.6 metres, assuming standard conditions and bracing. Taller walls would require larger studs or closer spacing.

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.