Air Louvers VLFR Round Square Profile Through Bolted Metal Vision Lite for 3/16″ to 1/4″ Thick Glazing w/ Powdercoat Finish
Air Louvers VLFR ThruBolt™ Round Vision Lites are fire-rated circular vision frames constructed from 18 gauge steel, designed for 1-3/4″ commercial doors and standard 3/16″ to 1/4″ glazing thicknesses while maximizing visible glazing area.
- Designed for 1-3/4″” door thickness
- Accepts 3/16″” – 1/4″” glazing thickness
- Fire ratings up to 180 minutes
- 18 gauge cold rolled steel construction
- Available in 12″”, 18″”, and 24″” diameters
Product ID: AIR-VLFR
FREE delivery to most businesses and jobsites on qualifying orders.
HOW TO ORDER
- Get a written quote from a USA Fire Door Solutions Specialist
- Approve & we ship your order
- Click the button below or call us to get started. You can upload plans, photos or files if you have them.
Product Details
Air Louvers VLFR ThruBolt™ Round Vision Lites provide the same secure installation and fire-rated performance as standard VLF ThruBolt™ vision frames while offering a circular design for architectural applications. Built from 18 gauge steel and utilizing a thru-bolt installation method, these round vision lites maximize visible glazing while maintaining structural durability. Designed for commercial hollow metal and wood doors, VLFR models provide a clean architectural appearance while maintaining compliance with fire-rated opening requirements when installed within approved assemblies.
Specifications
Application: Standard 1-3/4″” door thickness
Glazing thickness: 3/16″” – 1/4″”
Frame material: 18 gauge cold rolled steel
Configuration: Round ThruBolt™ vision lite
Available diameters: 12″”, 18″”, 24″”
Standard finish: Mineral bronze powder coat
Fasteners: #8-32 flathead Phillips thru-bolts
Fire ratings: Up to 180 minutes depending on glazing size and listing
UL listings: ANSI/UL 10B, ANSI/UL 10C, CAN/ULC S104
Minimum size: 12″” diameter
Maximum size: 24″” diameter
Compatible fire-rated glazing: Firelite, Pyran Platinum F, Fireglass, WireShield
Compatible non-rated glazing: Tempered glass
Optional materials: 304 stainless steel, galvanneal steel, zinc-plated steel
Optional fasteners: Torx screws
PAK options: Vision lite, glazing, and glazing tape kits available
Downloads
How to ORDER
Tell us what you need and we'll do the work for you! Most projects are quoted within 24 hours.
01
Step 1
TELL US WHAT YOU NEED
Share any projects details you have. Or just send us a message and we'll have someone reach out to you.
02
Step 2
GET A WRITTEN QUOTE
Your dedicated account manager will send you a quote or contact you with any questions.
03
Step 3
APPROVE & WE SHIP
We'll work with you thoroughout the entire process and carefully track your order until it's received.
Ready to start your commercial door project?
Priority pricing and fast lead times - free delivery to most jobsites and businesses nationwide.
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