1|Page
Washington Window Installer Certification
Examination||Verified Exam!! — Residential Exam
Practice Questions And Correct Answers (Verified
Answers) Plus Rationale 2026/2027 Q&A| Instant
Download Pdf
Who is generally responsible for the selection of the
product class, and grade? - Answer-1.) The architect
2.) The contractor
Why is selection of the right class and grade important? -
Answer-To avoid air/water infiltration
What typically forces water through cracks, and holes
around door, and window installation? - Answer-Wind
What should the installer do in order to prevent air
leakage? - Answer-1.) Use fenestration products with an
air leakage rating below .30 CFM
2.) Proper installation, and sealant to vapor or air barrier
3.) Consider the climate, and conditions
,2|Page
What is U-factor? - Answer-Measures how quickly heat
travels through a window.
When are temporary labels removed? - Answer-After final
inspection, by the building official
What are permanent labels used for? - Answer-Life long
performance, and manufacturer tracking
What is the purpose of Installation Masters Installer
training Program? - Answer-1.) Improve installation within
the industry
2.) Eliminate avoidable problems
3.) Reduce callbacks
What are the objectives of the Installation masters
program? - Answer-1.) Promote safe practice
2.) Provide a means for training installers
3.) Create a method of employee evaluation
4.) Provide a means of verification of knowledge
5.) Increase credibility
6.) Improve future competency
7.) Increase value to the customer
, 3|Page
What permanent labels do screens carry? - Answer-Child
safety labels
Where is a stool found as it relates to wood windows? -
Answer-At the interior sill
Where is a parting strip found, and what does it do? -
Answer-Between two sashes to keep them apart
What is a cripple stud? - Answer-A short stud below a sill,
or above a header
Where is a king stud found? - Answer-Next to the rough
opening, running from sole plate to double top plate.
What is a header, and why is it used? - Answer-Horizontal
rough opening member that runs across the top of the
opening, supports the load from above
What is a double hung window? - Answer-A vertically
sliding window in which both sashes move.
Washington Window Installer Certification
Examination||Verified Exam!! — Residential Exam
Practice Questions And Correct Answers (Verified
Answers) Plus Rationale 2026/2027 Q&A| Instant
Download Pdf
Who is generally responsible for the selection of the
product class, and grade? - Answer-1.) The architect
2.) The contractor
Why is selection of the right class and grade important? -
Answer-To avoid air/water infiltration
What typically forces water through cracks, and holes
around door, and window installation? - Answer-Wind
What should the installer do in order to prevent air
leakage? - Answer-1.) Use fenestration products with an
air leakage rating below .30 CFM
2.) Proper installation, and sealant to vapor or air barrier
3.) Consider the climate, and conditions
,2|Page
What is U-factor? - Answer-Measures how quickly heat
travels through a window.
When are temporary labels removed? - Answer-After final
inspection, by the building official
What are permanent labels used for? - Answer-Life long
performance, and manufacturer tracking
What is the purpose of Installation Masters Installer
training Program? - Answer-1.) Improve installation within
the industry
2.) Eliminate avoidable problems
3.) Reduce callbacks
What are the objectives of the Installation masters
program? - Answer-1.) Promote safe practice
2.) Provide a means for training installers
3.) Create a method of employee evaluation
4.) Provide a means of verification of knowledge
5.) Increase credibility
6.) Improve future competency
7.) Increase value to the customer
, 3|Page
What permanent labels do screens carry? - Answer-Child
safety labels
Where is a stool found as it relates to wood windows? -
Answer-At the interior sill
Where is a parting strip found, and what does it do? -
Answer-Between two sashes to keep them apart
What is a cripple stud? - Answer-A short stud below a sill,
or above a header
Where is a king stud found? - Answer-Next to the rough
opening, running from sole plate to double top plate.
What is a header, and why is it used? - Answer-Horizontal
rough opening member that runs across the top of the
opening, supports the load from above
What is a double hung window? - Answer-A vertically
sliding window in which both sashes move.
