Carpenter Red Seal Exam Prep · Question
To improve the energy efficiency of an older home during a renovation, what type of retrofit work would most significantly reduce heat loss through the building envelope?
Heat loss primarily occurs through the building envelope (walls, windows, roof, foundation). Adding continuous insulation and upgrading to high-performance wind
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Question: To improve the energy efficiency of an older home during a renovation, what type of retrofit work would most significantly reduce heat loss through the building envelope?
Answer options:
- Upgrading light fixtures to LED.
- Installing new, low-flow plumbing fixtures. ✅ Adding continuous insulation to exterior walls and upgrading windows.
- Repainting interior walls with low-VOC paint.
Correct answer: Adding continuous insulation to exterior walls and upgrading windows.
Explanation: Heat loss primarily occurs through the building envelope (walls, windows, roof, foundation). Adding continuous insulation and upgrading to high-performance windows directly addresses these major loss areas, significantly improving energy efficiency.
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- When interpreting a foundation plan, a dashed line with 'P. WALL' typically represents which of the following?
- A site plan shows contour lines with an interval of 0.5 m. If two adjacent contour lines are labelled 124.0 m
- According to the National Building Code of Canada (NBC) 2020, what is the primary consideration for the requir
- Two offset stakes are driven at 2.0 m from the proposed edge of a concrete slab. The first stake is marked 'Cu
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