Skip to main content
Skip to footer
About
Our Organization
About the IES
Diversity & Inclusion
Society Awards
Global Access Affiliate Program
Administration
IES Staff
IES Board
IES Committees
Volunteer Opportunities
Information
Newsroom
Annual Report
Resources
Career Center
Membership
Membership
Become a Member
Sustaining Membership
Emerging Professionals
IES Committees
Grants & Scholarships
University Program
Events
Information
Events Home
Events Calendar
Sponsorship
Featured Events
IES26 The Lighting Conference
SALC 2026
Special Events
Light for Life® Virtual Symposium Series
Light + Intelligent Building 2027
Illumination Awards & Gala
Education
Research
About IES Research
Publications
FIRES
LEUKOS
Past Projects
Education
eLearning Portal
Upcoming Webinars
Request IES CEU/AIA-LUs
LC Study Group
Education FAQs, Forms & Guidelines
Learn About IES Files
eLearning Portal Partnerships
Teachers of Lighting Workshop
Sections
Sections
Section Directory
Section Resources
Region and District Chairs
Standards
Standards
Purchase Standards
Browse Library of Lighting Standards
Nomenclature and Definitions
Join a Technical Committee
Information
Standards Newsletter
IES Standards Process
Cont. Maint + IES Standards List
IES Standards in Public Review
Toolbox
IES Standards Toolbox
My Lighting Library
My Illuminance Selector
My Reference Retriever
LD+A
Store
About
Our Organization
About the IES
Diversity & Inclusion
Society Awards
Global Access Affiliate Program
Administration
IES Staff
IES Board
IES Committees
Volunteer Opportunities
Information
Newsroom
Annual Report
Resources
Career Center
Membership
Membership
Become a Member
Sustaining Membership
Emerging Professionals
IES Committees
Grants & Scholarships
University Program
Events
Information
Events Home
Events Calendar
Sponsorship
Featured Events
IES26 The Lighting Conference
SALC 2026
Special Events
Light for Life® Virtual Symposium Series
Light + Intelligent Building 2027
Illumination Awards & Gala
Education
Research
About IES Research
Publications
FIRES
LEUKOS
Past Projects
Education
eLearning Portal
Upcoming Webinars
Request IES CEU/AIA-LUs
LC Study Group
Education FAQs, Forms & Guidelines
Learn About IES Files
eLearning Portal Partnerships
Teachers of Lighting Workshop
Sections
Sections
Section Directory
Section Resources
Region and District Chairs
Standards
Standards
Purchase Standards
Browse Library of Lighting Standards
Nomenclature and Definitions
Join a Technical Committee
Information
Standards Newsletter
IES Standards Process
Cont. Maint + IES Standards List
IES Standards in Public Review
Toolbox
IES Standards Toolbox
My Lighting Library
My Illuminance Selector
My Reference Retriever
LD+A
Store
Donate
Join
Sign In
Search the IES Website
Search
×
About
Our Organization
About The IES
Diversity & Inclusion
Society Awards
Administration
IES Staff
IES Board
IES Committees
Information
Newsroom
Annual Report
Resources
Membership
Membership
Become a Member
Sustaining Membership
Emerging Professionals
IES Committees
Grants & Scholarships
University Program
Events
Information
Events Home
Events Calendar
Sponsorship
Featured Events
IES26 The Lighting Conference
SALC 2026
Special Events
Light for Life® Virtual Symposium Series
Light + Intelligent Building 2027
Illumination Awards & Gala
Sections
Sections
Section Directory
Section Resources
Region and District Chairs
Research & Education
Research
About IES Research
Publications
FIRES
LEUKOS
Past Projects
Education
eLearning Portal
Upcoming Webinars
Request IES CEU/AIA-LUs
LC Study Group
Education FAQs, Forms & Guidelines
Learn About IES Files
eLearning Portal Partnerships
Teachers of Lighting Workshop
Standards
Standards
Purchase Standards
Browse Library of Lighting Standards
Nomenclature & Definitions
Join a Technical Committee
Information
Standards Newsletter
IES Standards Process
Cont. Maint + IES Standards List
IES Standards in Public Review
Toolbox
IES Standards Toolbox
My Lighting Library
My Illuminance Selector
My Reference Retriever
LD+A
Store
Donate
Join
Sign In
Donate
Join
Sign In
Search the IES Website
Search
×
Back to Glossary
vertical blinds
[10.5.8.13.2] vertical
blinds
Vertical slatted blinds.
« Back to Definitions Index
Access My IES
My Library
eLearning Portal
Illuminance Selector
Member Directory
