• Skip to main content
  • Skip to header right navigation
  • Skip to site footer
  • Account/Login
Activar Construction Products Group Inc.

Activar Construction Products Group

Commercial Construction Industry Products

  • Products
    • JL Industries
    • Air Louvers
    • Dur-Red
    • Maxam Metal Products
    • Cato
  • Submittals
  • Stock List
  • Resources
    • Submittals
    • Installation & Maintenance
    • Catalogs & Flyers
    • Product Options & Accessories
    • Technical Articles
    • Buy America & More
    • Cross-Reference
    • Warranty
    • Three Part Specifications
    • BIM Objects
    • Health Product Declaration (HPD)
    • Sustainability/LEED
    • Architects and Specifiers
    • Safety Data Sheets (SDS)
    • Discontinued & Updated Products
  • News
Thrubolt Series - Square Profile Vision Lites

Thrubolt Series – Square Profile Vision Lites

Air Louvers

Standard, multi-purpose, thru-bolted square profile vision lite that maximizes the visible light in a door. Select from the standard VLF for up to 1/4” glazing, the VLFIG for thicker glazing or doors, a VLFSG with 12 gauge security grill on both sides, or opt for something different – the VLFR round frame.

Category: Door Vision Lites Tags: 08 10 00, C13VLF 0630B, Div 8, Division 8, door lite, door lite frame, framed door lite, vision frame, vision lite, VLF, VLF 0535B, VLF 0627B, VLF 0636B, VLF 0722B, VLF 0832B, VLF 0836B, VLF 1212B, VLF 1818B, VLF 2424B, VLF 2430B, VLF 2432B, VLF 2434B, VLF 2436B, VLF 2456B, VLF 2460B, VLF 2464B, VLF 2466B, VLFE, VLFG, VLFIG, VLFIG 0627B 01, VLFIG 2430B 01, VLFIG 2460B 01, VLFIGG, VLFIGS, VLFIZE, VLFR, VLFR12, VLFR18, VLFS, VLFSG Brand: Air Louvers
  • Specifications
  • Downloads
  • Cross-Reference
  • Order Guide
  • Technical Articles
  • Options & Accessories
  • Related Products

Product Specifications

Material: 18 gauge cold rolled steel. VLFSG has 12 gauge security grille.

Standard Finish: Mineral bronze powder coat

Fasteners: Flathead Phillips head thrubolts to match finish

Size: Min: 4” x 4” – Max and Round: see submittals.

Glazing Thickness: 3/16″ – 1-11/16″ depending on standard or IG frame.

Door: 1″ to 3″ depending on frame.

Options: Round frame, stainless steel, galvannealed steel, zinc-plated steel, mullions, UL10C, PAK combination with glazing.

FIRE RATINGS: UL listed and labeled to ANSI/UL10B, UL10C and ULC-S104 when installed in properly rated and approved door. Ratings up to 3 hours, depending on the application, glazing and size. Optional Intertek Warnock Hersey fire rated label. Ratings up to 1-½ hours, depending on door type, application glazing and size.

See Options & Accessories tab for PAK Submittals.

Downloads

ModelDescriptionSubmittalWarrantyMaintenanceInstallation3 Part SpecsEnvironmentalCatalog
VLF/VLFRStandard/RoundPDFPDFPDFPDFWordPDFPDF
VLFIGIGPDFPDFPDFPDFWordPDFPDF
VLFSGSecurityPDFPDFPDFPDFWordPDF
VLFIG Leadlined IGPDFPDFPDFPDFWordPDF

Cross-Reference

ModelAnemostatAdvantageNational Guard
VLFFGS-75XX784GL-GLF100-TB
VLFIGFGS-ISXX500G/XX625G/XX750G/XX875G/XX1000G L-GLF100-SP-TB
VLFR (12,18, 24)FP-12,18, 24-L-GLF-100-RD
VLFSGSL-IS-L-SG100

View Cross Reference Chart

Order Guide

 

 

Note: Not all sizes and options are listed, or available for all models, see submittal for details.

Technical Articles

Click on the following to view.

  • ADA Guidelines Positioning Vision Lites in Doors
  • Difference Between Fire Resistive Fire Protective Glass
  • What is Independent Third Party Testing of Products?

Options & Accessories

Click on the following to view.

  • PAK Vision Lite Glazing Flyer
  • Color Chart Air Louvers
  • Glazing Selection Chart
  • Glazing Tape Submittal
  • Vision Lite Mullion Information

Related Products

  • Pyran Platinum F - 3/16" PPF & Platinum L - 3/8" PPL Ceramic Glazing

    Pyran Platinum F – 3/16″ PPF & Platinum L – 3/8″ PPL Ceramic Glazing

    View Product
  • WireShield - 1/4" Filmed Wired Glazing - WS

    WireShield – 1/4″ Filmed Wired Glazing – WS

    View Product
  • Velo Series - Privacy Screen for Vision Lites and Sidelites

    Velo Series – Privacy Screen for Vision Lites and Sidelites

    View Product
Activar Construction Products Group Inc.

Corporate Headquarters
9702 Newton Ave South
Bloomington MN 55431

Toll Free:  (800) 554-6077

Email: sales@activarcpg.com 

Contact Us

Company

  • About Us
  • Careers
  • Sales & Customer Service
  • Locations
  • Terms
  • Air Louvers Rep Portal Login

Resources

  • Submittals
  • Sustainability/LEED
  • Installation & Maintenance
  • Catalogs & Flyers
  • More Resources

Our Brands

  • Air Louvers
  • Dur-Red
  • JL Industries
  • Maxam Metal Products
  • Cato

Copyright © 2025 Activar Construction Products Group Inc. All Rights Reserved. Design by Flying Orange.