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  • Fire Rated (see chart below)
  • 18 Gauge Cold Rolled Steel
  • Reverse “Y” Blades are Framed Supported at 1” Increments
  • Blocked Vision Design
  • Single Side Mounting
  • Fastening Screws 8 x ¾” Included
  • Use with 1 ¾” Doors Only
  • Baked on Powder Coat Finish
  • Free Flow Area 50%
  • Standard Bronze
  • Grey Prime Coat (optional above)
  • Insect Screen (optional above)
Cal-Royal VLV Series Door Louvers Various Sizes

Cal-Royal VLV series inverted Y-blade louvers are 90 minute fire rated (see chart below) for use in fire rated door applications under positive and neutral pressure.  These louvers or door grills can also be use in non-fire rated doors.  These door louvers are manufactured with 18 gauge cold rolled steel frame and blades and has mitered welded corner frame construction.  Inverted Y-blades are frame supported at 1” increments with blocked vision design.  Single side mounting for non corridor exposure provides a security for locking doors.  Fastening screw included.  Designed for 1 ¾” doors.  Baked on standard bronze powder coat finish.

Note:  Order size equal to opening size. Follow all door manufacturer’s instructions for use and installation of all door louver products.

Aluminum insect screen (optional above).  Framed insect screen installed with double sided tape to the corridor side of the door louver.

 Optional Insect screen.

adobe Technical Data adobe Intertek Certification
adobe Insect Screen adobe Catalog Page  


Standard Sizes Available
Item Door Cutout Sizes Rating
    VLV1212* 12” x 12” Fire Rated
    VLV1218 12” x 18” Fire Rated
    VLV1224* 12” x 24” Non-Rated
    VLV1812* 18” x 12” Fire Rated
    VLV1818* 18” x 18” Non-Rated
    VLV1824 18” x 24” Non-Rated
    VLV1860 18” x 60” Non-Rated
    VLV1864 18” x 64” Non-Rated
    VLV2010 20” x 10” Fire Rated
    VLV2412* 24” x 12” Fire Rated
    VLV2418 24” x 18” Non-Rated
    VLV2424 24” x 24” Non-Rated
    VLV2460 24” x 60” Non-Rated
    VLV2464 24” x 64” Non-Rated
*Available in grey primer coat finish.


90 Minute Fire Rated Steel Louvers for sizes listed above.  For use in fire-rated door applications under positive and neutral pressure.  Intertek testing certification in compliance to: NFPA 252 (2000), UL 10C (2009), NFPA 252 (2012), CSI CODE 08 90 00 Louvers and Vents.


Cal-Royal Products, Inc. VLV Series Inverted Y-Blade Door Louvers

Compare to:
  • Air Louvers 800A1 Louver with Inverted "Y" Blades
  • L & L Louvers, Inc. SU-50-A1 Standard Door Louver