Air Louvers VLFIGMUL Square Profile Through Bolted Metal Vision Lite for 3/16″ to 1-11/16″ Glazing or Non Standard Door Thickness w/ Framed Mullions
Air Louvers VLFIG ThruBolt™ Vision Lites with Mullions are fire-rated commercial door vision frames designed for non-standard door and glazing thicknesses, featuring welded steel mullions for divided lite configurations while supporting 1″ to 3″ door thicknesses.
- Supports 1″ – 3″ door thickness
- Accepts 3/16″ – 1-11/16″ glazing thickness
- Fire ratings up to 180 minutes
- 18 gauge cold rolled steel construction
- 1″ welded mullions for divided lite appearance
Product ID: AIR-VLFIG-MUL
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 VLFIG ThruBolt™ Vision Lites with Mullions are designed for commercial hollow metal doors and commercial wood doors requiring insulated glass units, thicker glazing, or non-standard door constructions. Built on the VLFIG ThruBolt™ platform, this variant incorporates welded steel mullions to create a divided lite appearance while maintaining the use of a single glazing pane. The ThruBolt™ installation method provides secure mounting while maintaining maximum exposed glazing area and architectural consistency for commercial and institutional openings.
Specifications
Application: 1-3/4″” doors with 5/16″” – 1-11/16″” glazing
Application: 1″” – 3″” doors with 3/16″” – 1-11/16″” glazing
Frame material: 18 gauge cold rolled steel
Standard finish: Mineral bronze powder coat
Fasteners: #8-32 flathead Phillips thru-bolts with blank head on one side
Minimum size: 4″” x 4″”
Maximum size: Based on glazing listing and door manufacturer approval
Door cutout: Order size (W × H)
Glazing size: Order size minus 1/4″”
Exposed glazing: Order size minus 1″”
Fire ratings: Up to 180 minutes depending on glazing size and listing
UL listings: ANSI/UL 10B, ANSI/UL 10C, CAN/ULC S104
Mullion width: 1″”
Mullion depth: 5/8″”
Mullion construction: Welded to both sides of frame and butted to glass
Mullion configurations: Multiple column and row configurations available
Optional mullion sizes: 1/2″” × 1/2″”, 1/2″” × 3/4″”
Optional materials: 304 stainless steel, galvanneal steel, zinc-plated steel
Compatible fire-rated glazing: FireLite, Pyran Platinum F, FireLite Plus, Fireglass, WireShield
Compatible non-rated glazing: Tempered, ArmrShield series, BRG glazing
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 throughout the entire process and carefully track your order until it's received.
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