48" x 48" Steel Equipment Access Roof Hatch (Double Leaf) - Bilco

Standard Features and Benefits

  • Engineered with compression spring operators to provide smooth, easy, one-hand operation, regardless of size
  • Automatic hold-open arms lock the covers in the open position to ensure safe egress
  • Overlapping cover design, full welded corners on covers and curb, EPDM rubber gasket, and fully insulated cover and curb ensure weathertightness and energy efficiency
  • Constructed with corrosion resistant materials to provide many years of trouble free, dependable service
  • Heavy gauge construction and positive latching mechanism maintain building security
  • Curb features the Bil-Clip® flashing system, an innovative method to quickly and easily secure single-ply roofing material to Bilco roof products
  • Available in many sizes and curb configurations to satisfy any requirement or installation


Covers and frame are 11 gauge (2.3mm) aluminum.
Brakeformed, hollow-metal design with 1" (25mm) concealed fiberglass insulation, 3" (76mm) beaded, overlapping flange, fully welded at corners, and internally reinforced for 40 psf (195 kg/m2) live load.
12" (305mm) in height with integral capflashing, 1" (25mm) fiberboard insulation, fully welded at corners, and 3-1/2" (89mm) mounting flange with 7/16" holes (11mm) provided for securing frame to the roof deck.
Extruded EPDM rubber gasket permanently adhered to cover.
Heavy-duty pintle hinges with 3/8" (9mm) type 316 stainless steel hinge pins.
Enclosed two point spring latch with interior and exterior turn handles and padlock hasps.
Lift Assistance:
Compression spring operators enclosed in telescopic tubes. Automatic hold-open arm with grip handle release.
Type 304 stainless steel with bead blast finis
Type 316 stainless steel.
Product Spec Sheet:
Excellent Services


Bilco 48 x 48 Steel Equipment Access Roof Hatch Double Leaf - Bilco
SKU # D-20-48-48

48" x 48" Steel Equipment Access Roof Hatch (Double Leaf) - Bilco

CONTACT US AT 1-800-609-2917