Carpenter Red Seal Exam Prep · Question
Which component in a typical wood-frame wall assembly serves as the primary thermal bridge, significantly reducing the overall effective RSI value of the wall?
Wood studs have a significantly lower RSI value than the insulation filling the cavities. They act as a direct path for heat transfer through the wall assembly,
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Question: Which component in a typical wood-frame wall assembly serves as the primary thermal bridge, significantly reducing the overall effective RSI value of the wall?
Answer options:
- Exterior sheathing ✅ Wood studs
- Interior gypsum board
- Insulation material
Correct answer: Wood studs
Explanation: Wood studs have a significantly lower RSI value than the insulation filling the cavities. They act as a direct path for heat transfer through the wall assembly, bypassing the higher-performing insulation, thus creating a thermal bridge and reducing the overall effective RSI.
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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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