Square Adjustable Insulated Ceiling/StopAire™ Housing


  • Specification Grade Square 16 Gauge Galvanized Steel New Construction Insulated Ceiling (IC) Air Tight Housing with Die-Cast Aluminum Heat Sink
  • Rated for Insulated Ceiling (IC) and StopAire™ applications; can be used in direct contact with insulation materials as well as in sloped ceiling applications
  • Housing aperture can be adjusted 1/4- inch in each direction, as well as 11° of angular adjustment (5.5° per side) post installation, to ease fixture alignment
  • Fully lockable Adjustment Mechanism allows 45° of tilt with white graduation marks every 15° for consistent aiming, plus 360° for rotational adjustment
  • 2700K, 3000K, 3500K and 4000K Color Temperatures; 80 CRI min., 83 typical; high CRI of 90+ available
  • Precision Optics produce 19° Spot, 35° Medium and 51° Flood beam distributions; Optics are interchangeable and can be field replaced
  • FA-57 Black Accessory Holder Clips can support two (2) media
  • All R4ASQ Downlights are available for non-dimming and dimming applications; for compatible Dimmers, refer to the Dimming Specification Sheet
  • Specification Grade Trims in several different styles and finishes available; NOTE: R4ASQ Series and R4SQ Series Trims are NOT compatible with each other
  • cCSAus Certified using US (UL) and Canadian (CSA) standards; Suitable for Damp Locations
  • Conforms to Washington State Energy Code (WSEC) for Low Air Infiltration; tested in accordance with ASTM E283 (2.0 CFM or less)
  • Chicago Plenum Housings are CCEA listed; not for use in Insulated Ceilings (IC)
  • Assembled in the USA.

Product Information

  • Product Features

    Aperture Size : 4 in

    Color Rendering Index : 80-89|90-100

    Correlated Color Temperature : 2700K|3000K|3500K|4000K

    Light Distribution Detail : Spot|Medium|Flood

    Listings : cCSAus|Damp Location|WSEC|Chicago Plenum CCEA

    Lumen Output : 501-1000|1001-1500|1501-2000|2001-3000

    Product Shape : Square

    Product Type : Insulated Ceiling (IC)|StopAire™|Adjustable Housing