Carpenter Red Seal Exam Prep · Question
A carpenter is framing a new window opening that is 1.5 metres wide in a load-bearing wall. The wall supports one residential floor and a roof. What is the minimum depth of a double header made of No. 2 SPF lumber required for this opening?
For a 1.5 metre clear span supporting one floor and a roof, a double 38x235 mm (2x10) No. 2 SPF header is usually the minimum required according to prescriptive
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Question: A carpenter is framing a new window opening that is 1.5 metres wide in a load-bearing wall. The wall supports one residential floor and a roof. What is the minimum depth of a double header made of No. 2 SPF lumber required for this opening?
Answer options: ✅ 38 mm x 235 mm (2x10)
- 38 mm x 184 mm (2x8)
- 38 mm x 286 mm (2x12)
- 38 mm x 140 mm (2x6)
Correct answer: 38 mm x 235 mm (2x10)
Explanation: For a 1.5 metre clear span supporting one floor and a roof, a double 38x235 mm (2x10) No. 2 SPF header is usually the minimum required according to prescriptive tables in the National Building Code of Canada.
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- When interpreting a foundation plan, a dashed line with 'P. WALL' typically represents which of the following?
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