NYC Window Replacement Installer
Certification Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the minimum safety equipment required when working on
exterior window installation above 6 feet in NYC?
A) Hard hat only
B) Safety glasses only
C) Fall protection harness
D) Work gloves
Rationale: Fall protection is mandated for workers above 6 feet to prevent
serious injuries from falls.
2. Which type of window is most commonly used for energy efficiency in
NYC residential buildings?
, A) Single-hung
B) Double-glazed
C) Sliding
D) Casement
Rationale: Double-glazed windows reduce heat transfer, making them
more energy-efficient.
3. Before installing a window in an existing frame, what must always be
checked?
A) Frame color
B) Glass brand
C) Frame plumb and level
D) Hardware style
Rationale: Ensuring the frame is plumb and level is critical for proper
window operation and sealing.
4. Which fastener is generally recommended for securing a window
frame to a masonry wall?
A) Wood screw
B) Masonry anchor
C) Sheet metal screw
D) Plastic nail
Rationale: Masonry anchors are designed to penetrate brick or concrete
and provide secure support for the window.
, 5. What is the primary purpose of flashing in window installation?
A) Decoration
B) Structural support
C) Waterproofing
D) Insulation
Rationale: Flashing prevents water infiltration, protecting the wall
assembly and interior from leaks.
6. When removing an existing window, what is the first step?
A) Remove interior trim
B) Remove sashes and glazing
C) Drill new holes
D) Apply sealant
Rationale: Removing sashes and glazing first prevents breakage and
allows safe removal of the window frame.
7. Which type of sealant is commonly used for exterior window
perimeter in NYC?
A) Acrylic caulk
B) Silicone-based sealant
C) Polyurethane paint
D) Latex primer
Rationale: Silicone-based sealants provide long-lasting waterproofing and
flexibility for window joints.
, 8. For NYC code compliance, what is the minimum egress window size in
a bedroom?
A) 12” wide
B) 18” high
C) 20” x 24” opening minimum
D) 15” x 15”
Rationale: Building codes specify minimum egress sizes to ensure safe
escape in emergencies.
9. What is the recommended method for insulating the gap between the
window frame and rough opening?
A) Cement
B) Low-expanding spray foam
C) Silicone putty
D) Fiberglass batt
Rationale: Low-expanding foam provides insulation without distorting the
window frame.
10. Which of the following is a common issue caused by improper
window leveling?
A) Noise
B) Cracking walls
C) Difficult operation and air leaks
D) Glare
Certification Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the minimum safety equipment required when working on
exterior window installation above 6 feet in NYC?
A) Hard hat only
B) Safety glasses only
C) Fall protection harness
D) Work gloves
Rationale: Fall protection is mandated for workers above 6 feet to prevent
serious injuries from falls.
2. Which type of window is most commonly used for energy efficiency in
NYC residential buildings?
, A) Single-hung
B) Double-glazed
C) Sliding
D) Casement
Rationale: Double-glazed windows reduce heat transfer, making them
more energy-efficient.
3. Before installing a window in an existing frame, what must always be
checked?
A) Frame color
B) Glass brand
C) Frame plumb and level
D) Hardware style
Rationale: Ensuring the frame is plumb and level is critical for proper
window operation and sealing.
4. Which fastener is generally recommended for securing a window
frame to a masonry wall?
A) Wood screw
B) Masonry anchor
C) Sheet metal screw
D) Plastic nail
Rationale: Masonry anchors are designed to penetrate brick or concrete
and provide secure support for the window.
, 5. What is the primary purpose of flashing in window installation?
A) Decoration
B) Structural support
C) Waterproofing
D) Insulation
Rationale: Flashing prevents water infiltration, protecting the wall
assembly and interior from leaks.
6. When removing an existing window, what is the first step?
A) Remove interior trim
B) Remove sashes and glazing
C) Drill new holes
D) Apply sealant
Rationale: Removing sashes and glazing first prevents breakage and
allows safe removal of the window frame.
7. Which type of sealant is commonly used for exterior window
perimeter in NYC?
A) Acrylic caulk
B) Silicone-based sealant
C) Polyurethane paint
D) Latex primer
Rationale: Silicone-based sealants provide long-lasting waterproofing and
flexibility for window joints.
, 8. For NYC code compliance, what is the minimum egress window size in
a bedroom?
A) 12” wide
B) 18” high
C) 20” x 24” opening minimum
D) 15” x 15”
Rationale: Building codes specify minimum egress sizes to ensure safe
escape in emergencies.
9. What is the recommended method for insulating the gap between the
window frame and rough opening?
A) Cement
B) Low-expanding spray foam
C) Silicone putty
D) Fiberglass batt
Rationale: Low-expanding foam provides insulation without distorting the
window frame.
10. Which of the following is a common issue caused by improper
window leveling?
A) Noise
B) Cracking walls
C) Difficult operation and air leaks
D) Glare
