Carpenter Red Seal Exam Prep · Question
When framing a standard interior door opening, what is the typical rough opening width for a 813 mm (32") wide door?
For a standard interior door, the rough opening width is typically 50 mm (2") wider than the door slab to allow for the door frame, shims, and plumbing. Thus, a
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Question: When framing a standard interior door opening, what is the typical rough opening width for a 813 mm (32") wide door?
Answer options:
- 825 mm (32 1/2")
- 838 mm (33")
- 851 mm (33 1/2") ✅ 864 mm (34")
Correct answer: 864 mm (34")
Explanation: For a standard interior door, the rough opening width is typically 50 mm (2") wider than the door slab to allow for the door frame, shims, and plumbing. Thus, an 813 mm door requires an 864 mm rough opening.
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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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