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Spotlight: Kirlin Super Shallow Downlights for Restricted Plenums

Lighting for Special Environments

Super Shallow Downlights Resolve Pickles in the Plenum!


Ever since the 1940s, when Ivan Kirlin introduced recessed lighting to the world, architects and engineers have encountered crowded spaces above the ceiling line. When that happens, look no further than Kirlin's super shallow recessed LED downlights, with 2¾” housing depth. Check out three recent projects below to learn how Kirlin solves the challenge of limited plenum depth, creating delightful transitional space between indoor and outdoor areas.


LRR-04006 @ Norman Central Library



This beautiful modern library in Norman, OK features our 4” Type IC super shallow downlight with regressed lens (LRR-04006) along the exterior soffit, which surrounds the elegant structure. The wet listed luminaires provide ideal light levels at night, while highlighting the library’s striking linear forms.


LRR-05438 @ Hyde Park Village



This upgraded shopping district in Tampa’s historic Hyde Park neighborhood features Kirlin’s 5” flare downlight (LRR-05438) in multiple trim finishes, enabling the lighting to seamlessly blend into the canopy space surrounding many notable retail establishments. Dark bronze (option -37T), black (option -38T), and standard white finishes were used in various locations around the district to match the many unique materials selected by the architect.


LRR-05440 @ Ingenuity Commercial Office Building



This commercial office building features several outdoor balconies, decks, and covered terraces, all illuminated by LRR-05440, Kirlin’s 5” super shallow downlight with flat trim. At 2500L, these fixtures provide wide flood illumination in spaces that are open to the Central Florida elements, including the occasional bout of driving rain and gale-force winds. With a UL wet listing and corrosion-resistant housing, tenants can rest assured that the LED illumination in these transitional spaces will stand the test of time.




Like all Kirlin Architectural luminaires, our super shallow products have been engineered to the highest standards of quality for indoor and outdoor use:

  • Super shallow 2¾” housing exceeds 1,000-hour ASTM salt spray corrosion test
  • Fixtures are UL listed for wet, damp, and dry locations
  • Available in medium flood (MFL), wide flood (WFL) and narrow flood (NFL)
  • Five CCT options: 2700K, 3000K, 3500K, 4100K, 5000K
  • 1000L (Type IC), 1500L (Type IC), or 2500L
  • Many optional trim finishes to match any installation aesthetic