Page 1 of 103
South Carolina Glass and Glazing Contractor License
ACTUAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS LATEST UPDATE THIS YEAR
Scope of Work (Classification GG)
The Glass and Glazing license covers commercial, residential, industrial, institutional, modular,
and all other types of glass and glazing construction . This includes:
• Selection, cutting, assembling, and installing all makes and kinds of glass for windows,
sash and doors, metal frames, ornamental decorations, mirrors, and tub and shower
enclosures
• Renovation, structural shapes, and architectural aluminum glazing systems
• Aluminum entrance doors and frame systems, entrance and egress hardware
• Curtain wall systems, sliding doors/mall fronts, overhead glazing systems
• Architectural window systems and accessories
Practice Questions (1-200)
Domain 1: General Glazing (Questions 1-30)
, Page 2 of 103
1. Which of the following best describes the primary purpose of glazing in a building?
• A) To provide structural support
• B) To enhance aesthetic appearance only
• C) To protect against weather and improve energy efficiency
• D) To reduce interior space
Answer: C
Rationale: Glazing primarily protects the building from the elements and contributes to energy
efficiency by managing heat loss or gain. While aesthetics are important, weather protection
and thermal performance are the primary functions .
2. What does the term "glazing" refer to in construction?
• A) Installation of doors
• B) Application of glass panels in openings
• C) Painting exterior walls
• D) Insulating roofs
Answer: B
Rationale: Glazing specifically refers to the installation of glass in windows, doors, or curtain
walls to provide transparency and protection .
, Page 3 of 103
3. Which factor is NOT typically considered when selecting glazing materials?
• A) Thermal performance
• B) Solar gain
• C) Color matching with interior décor
• D) Structural load
Answer: C
Rationale: While aesthetics are important, the primary selection criteria focus on thermal
performance, solar control, and structural support. Color matching is secondary to performance
requirements .
4. A key advantage of using laminated glass in glazing is:
• A) Increased weight
• B) Improved sound insulation and safety
• C) Lower cost
• D) Reduced light transmission
Answer: B
, Page 4 of 103
Rationale: Laminated glass layers enhance sound insulation and safety by holding together
when shattered. The plastic interlayer (typically PVB) bonds the glass layers, providing these
benefits .
5. In glazing design, what does U-factor represent?
• A) The glass's color intensity
• B) The rate of heat transfer
• C) The glass thickness
• D) The impact resistance
Answer: B
Rationale: The U-factor measures the rate of heat transfer through the glass assembly. Lower U-
factors indicate better insulation properties .
6. Which glazing technique involves bonding multiple layers of glass with interlayers?
• A) Insulated glazing
• B) Tempered glazing
• C) Laminated glazing
• D) Single pane glazing
Answer: C
South Carolina Glass and Glazing Contractor License
ACTUAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS LATEST UPDATE THIS YEAR
Scope of Work (Classification GG)
The Glass and Glazing license covers commercial, residential, industrial, institutional, modular,
and all other types of glass and glazing construction . This includes:
• Selection, cutting, assembling, and installing all makes and kinds of glass for windows,
sash and doors, metal frames, ornamental decorations, mirrors, and tub and shower
enclosures
• Renovation, structural shapes, and architectural aluminum glazing systems
• Aluminum entrance doors and frame systems, entrance and egress hardware
• Curtain wall systems, sliding doors/mall fronts, overhead glazing systems
• Architectural window systems and accessories
Practice Questions (1-200)
Domain 1: General Glazing (Questions 1-30)
, Page 2 of 103
1. Which of the following best describes the primary purpose of glazing in a building?
• A) To provide structural support
• B) To enhance aesthetic appearance only
• C) To protect against weather and improve energy efficiency
• D) To reduce interior space
Answer: C
Rationale: Glazing primarily protects the building from the elements and contributes to energy
efficiency by managing heat loss or gain. While aesthetics are important, weather protection
and thermal performance are the primary functions .
2. What does the term "glazing" refer to in construction?
• A) Installation of doors
• B) Application of glass panels in openings
• C) Painting exterior walls
• D) Insulating roofs
Answer: B
Rationale: Glazing specifically refers to the installation of glass in windows, doors, or curtain
walls to provide transparency and protection .
, Page 3 of 103
3. Which factor is NOT typically considered when selecting glazing materials?
• A) Thermal performance
• B) Solar gain
• C) Color matching with interior décor
• D) Structural load
Answer: C
Rationale: While aesthetics are important, the primary selection criteria focus on thermal
performance, solar control, and structural support. Color matching is secondary to performance
requirements .
4. A key advantage of using laminated glass in glazing is:
• A) Increased weight
• B) Improved sound insulation and safety
• C) Lower cost
• D) Reduced light transmission
Answer: B
, Page 4 of 103
Rationale: Laminated glass layers enhance sound insulation and safety by holding together
when shattered. The plastic interlayer (typically PVB) bonds the glass layers, providing these
benefits .
5. In glazing design, what does U-factor represent?
• A) The glass's color intensity
• B) The rate of heat transfer
• C) The glass thickness
• D) The impact resistance
Answer: B
Rationale: The U-factor measures the rate of heat transfer through the glass assembly. Lower U-
factors indicate better insulation properties .
6. Which glazing technique involves bonding multiple layers of glass with interlayers?
• A) Insulated glazing
• B) Tempered glazing
• C) Laminated glazing
• D) Single pane glazing
Answer: C
