Quantity Discounts
Call Us 800-608-6568
  • Fire Rated (see chart below)
  • 18 Gauge Cold Rolled Steel
  • Divided Row “Y” Blades are Framed Supported at 1” Increments
  • Blocked Vision Design
  • Single Side Mounting
  • Fastening Screws 8 x ¾” Included
  • Minimum Door Size Thickness 1⅜”
  • Baked on Powder Coat Finish
  • Dark Bronze
  • Insect Screen (optional above)
Cal-Royal YLV Series Door Louvers Various Sizes

Cal-Royal YLV series divided reverse Y-blade inverted 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.  Divided row Y-blades are frame supported at 1” increments with blocked vision design.  Fastening screw included.  Designed for doors with a minimum thickness of 1⅜”.  Baked on dark 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).  Unframed insect screen installed with rivets or screws.  Screen is secured to the inner side of the louver panel towards the corridor side of the door louver.

  • Optional Insect screen.
  • Other Frame Colors Available with Lead-Time
adobe Technical Data adobe Intertek Certification
adobe Insect Screen adobe Catalog Page


Item Door Cutout Sizes Rating
    YLV1212 12” x 12” Fire Rated
    YLV1812 18” x 12” Fire Rated
    YLV1818 18” x 18” Non-Rated
    YLV2412 24” x 12” Fire Rated
    YLV2424 24” x 24” Non-Rated


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. YLV Series Divided Reverse Y-Blade Door Louvers

Compare to:

  • Air Louvers 700A Two Piece Louver with Inverted Split "Y" Blades
  • L & L Louvers, Inc. SZ-70-A , Double Surface Mount Louver