Air Louvers VSIG Slimline™ Vision Lites with Mullions provide the same heavy-duty construction and fire-rated capabilities as standard VSIG Slimline™ models while incorporating welded steel mullions to create a divided lite configuration. Designed specifically for thicker glazing and insulated glass applications, these vision lites maintain the architectural appearance of the Slimline™ series while providing additional structural reinforcement and visual design flexibility. Mullions are welded to both sides of the frame and butt to the glass while maintaining the use of a single glazing unit, making this configuration suitable for commercial openings requiring both performance and design versatility.

Specifications
Application: Standard 1-3/4″” doors with 3/8″” – 1-11/16″” glazing
Application: 1″” – 3″” door thickness with 3/16″” – 1-11/16″” glazing
Frame material: 20 gauge cold rolled steel
Standard finish: Mineral bronze powder coat
Fasteners: #8A flathead Phillips screws
Minimum size: 4″” x 4″”
Maximum size: Based on glazing listing and door manufacturer approval
Fire ratings: Up to 180 minutes depending on glazing size and listing
UL listings: ANSI/UL 10B, ANSI/UL 10C, CAN/ULC S104
Protrusion: Frame may project .11″” to .84″” depending on door and glazing thickness
Mullion width: 1″”
Mullion depth: 5/8″”
Mullion construction: Welded to both sides of frame and butted to glass
Mullion availability: For 1-3/4″” door applications
Mullion configurations: Multiple column and row configurations available
Optional mullion sizes: 1/2″” x 1/2″”, 1/2″” x 3/4″”
Optional materials: 304 stainless steel, galvanneal steel, zinc-plated steel
Compatible fire-rated glazing: Firelite, Pyran Platinum F, Fireglass, WireShield, Pyran Platinum L
Compatible non-rated glazing: Tempered and specialty glazing options
Optional fasteners: Torx screws
PAK options: Vision lite, glazing, and glazing tape kits available
Downloads

Download Vision-Lite-VSLR-Submittal.pdf