Maryland Curtain Wall Installer
Certification Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationale 2026 Q&A| Instant
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1. A curtain wall system in modern construction is best described as a
façade component that primarily functions to
A. Support the entire structural load of the building
B. Transfer floor loads directly to foundations
C. Enclose the building while resisting environmental forces without
bearing structural loads
D. Replace interior partition walls
Curtain walls are non-load-bearing exterior systems designed to
protect buildings from weather while transferring wind loads to the
structural frame rather than supporting building weight.
2. Which material is most commonly used in curtain wall framing due to
strength-to-weight ratio and corrosion resistance?
A. Timber
B. Aluminum
C. Brick masonry
D. Reinforced concrete
Aluminum is widely used because it is lightweight, durable,
, corrosion-resistant, and easily fabricated into complex façade
systems.
3. In a stick curtain wall system, installation typically begins with
A. Glass panel placement
B. Horizontal mullions
C. Vertical mullions
D. Sealant application
Vertical mullions are installed first to establish the structural grid that
supports subsequent components.
4. A unitized curtain wall system is characterized by
A. On-site fabrication of all components
B. Brick-supported framing
C. Pre-assembled factory-built panels installed on-site
D. Load-bearing glass panels
Unitized systems are assembled off-site into large panels to improve
installation speed and quality control.
5. The primary purpose of a thermal break in aluminum curtain wall
systems is to
A. Increase wind resistance
B. Reduce heat transfer through the frame
C. Improve glass transparency
D. Increase structural load capacity
Thermal breaks reduce heat conduction, improving energy efficiency
and preventing condensation.
6. Which of the following best describes spandrel glass in curtain wall
construction?
A. Transparent structural glass
B. Glass used for flooring
C. Opaque or backed glass hiding structural elements
, D. Glass used only in skylights
Spandrel glass conceals floor slabs, columns, and mechanical systems
while maintaining façade continuity.
7. The main function of a pressure plate in curtain wall systems is to
A. Provide insulation
B. Hold glazing securely against the mullions
C. Act as structural support for floors
D. Prevent fire spread
Pressure plates mechanically secure glass or panels into the framing
system.
8. Silicone sealants in curtain wall installation are primarily used because
they
A. Are the cheapest option
B. Provide UV and weather resistance with long-term flexibility
C. Harden into rigid structural members
D. Replace framing components
Silicone sealants maintain elasticity and resist weathering, ensuring
durable watertight joints.
9. Curtain wall systems are considered non-structural because they
A. Carry roof loads
B. Transfer only environmental loads to the building frame
C. Support floor slabs
D. Replace structural beams
Curtain walls transfer wind and environmental loads but do not
support the building’s structural weight.
10. A key performance requirement for curtain walls is
A. Maximum weight capacity
B. Resistance to air and water infiltration
C. Electrical conductivity
Certification Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationale 2026 Q&A| Instant
Download Pdf
1. A curtain wall system in modern construction is best described as a
façade component that primarily functions to
A. Support the entire structural load of the building
B. Transfer floor loads directly to foundations
C. Enclose the building while resisting environmental forces without
bearing structural loads
D. Replace interior partition walls
Curtain walls are non-load-bearing exterior systems designed to
protect buildings from weather while transferring wind loads to the
structural frame rather than supporting building weight.
2. Which material is most commonly used in curtain wall framing due to
strength-to-weight ratio and corrosion resistance?
A. Timber
B. Aluminum
C. Brick masonry
D. Reinforced concrete
Aluminum is widely used because it is lightweight, durable,
, corrosion-resistant, and easily fabricated into complex façade
systems.
3. In a stick curtain wall system, installation typically begins with
A. Glass panel placement
B. Horizontal mullions
C. Vertical mullions
D. Sealant application
Vertical mullions are installed first to establish the structural grid that
supports subsequent components.
4. A unitized curtain wall system is characterized by
A. On-site fabrication of all components
B. Brick-supported framing
C. Pre-assembled factory-built panels installed on-site
D. Load-bearing glass panels
Unitized systems are assembled off-site into large panels to improve
installation speed and quality control.
5. The primary purpose of a thermal break in aluminum curtain wall
systems is to
A. Increase wind resistance
B. Reduce heat transfer through the frame
C. Improve glass transparency
D. Increase structural load capacity
Thermal breaks reduce heat conduction, improving energy efficiency
and preventing condensation.
6. Which of the following best describes spandrel glass in curtain wall
construction?
A. Transparent structural glass
B. Glass used for flooring
C. Opaque or backed glass hiding structural elements
, D. Glass used only in skylights
Spandrel glass conceals floor slabs, columns, and mechanical systems
while maintaining façade continuity.
7. The main function of a pressure plate in curtain wall systems is to
A. Provide insulation
B. Hold glazing securely against the mullions
C. Act as structural support for floors
D. Prevent fire spread
Pressure plates mechanically secure glass or panels into the framing
system.
8. Silicone sealants in curtain wall installation are primarily used because
they
A. Are the cheapest option
B. Provide UV and weather resistance with long-term flexibility
C. Harden into rigid structural members
D. Replace framing components
Silicone sealants maintain elasticity and resist weathering, ensuring
durable watertight joints.
9. Curtain wall systems are considered non-structural because they
A. Carry roof loads
B. Transfer only environmental loads to the building frame
C. Support floor slabs
D. Replace structural beams
Curtain walls transfer wind and environmental loads but do not
support the building’s structural weight.
10. A key performance requirement for curtain walls is
A. Maximum weight capacity
B. Resistance to air and water infiltration
C. Electrical conductivity
