Carpenter Red Seal Exam Prep · Question
A carpenter is installing EIFS (Exterior Insulation and Finish System) on a commercial building. The design specification calls for a drainage type EIFS. What critical component differentiates a drainage EIFS from a barrier EIFS and ensures proper moisture management?
The distinguishing feature of a drainage EIFS is the intentional air and drainage gap between the continuous insulation board and the substrate, facilitated by
Start free practice for Carpenter Red Seal Exam Prep
300 questions · no signup required · 40 free questions per day
Question: A carpenter is installing EIFS (Exterior Insulation and Finish System) on a commercial building. The design specification calls for a drainage type EIFS. What critical component differentiates a drainage EIFS from a barrier EIFS and ensures proper moisture management?
Answer options:
- The use of a thicker base coat.
- The application of a specialized primer on the substrate. ✅ An air and drainage gap between the insulation board and the substrate.
- A finish coat with enhanced water repellent properties.
Correct answer: An air and drainage gap between the insulation board and the substrate.
Explanation: The distinguishing feature of a drainage EIFS is the intentional air and drainage gap between the continuous insulation board and the substrate, facilitated by components like vertical drainage channels or a dimpled drainage mat. This gap allows incidental moisture that gets behind the finish coat to drain downwards and escape, preventing accumulation. Thicker base coats, specialized primers, or water-repellent finish coats enhance performance but do not create the drainage plane itself.
Start free practice for Carpenter Red Seal Exam Prep
300 questions · no signup required · 40 free questions per day
More about Carpenter Red Seal Exam Prep
Related Questions
- 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
- What is the primary purpose of string lines and batter boards when laying out a foundation?
- According to typical blueprint conventions, a heavily dashed line (longer dashes) often represents an item tha
More for Carpenter Red Seal Exam Prep candidates
Practice tests
Question explanations
- 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
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.