The Acudor LT-4000 is a lightweight aluminum, specialty access door for walls and ceilings.

Features

• Mitered aluminum frame provides an architecturally pleasing appearance
• Aluminum door panel is lined with 3/4" polystyrene insulation
• All aluminum construction is ideal for exterior applications, and specific interior applications where corrosion or moisture are a concern
• Gasketing between the door and frame

Specifications 

• Door / Door Frame: Aluminum: .064 door and .080 frame Flush to edge of frame, 1-5/16” mitered aluminum extrusion flange
  with 1-1/2” deep mounting frame
• Hinge: Doors with width 24” or less to have concealed pin hinge. Doors with width over 24”to have continuous aluminum
  piano hinge with exposed knuckle, set to open to 180 degrees.
• Insulation: 3/4” Type 3 Expanded Polystyrene (EPS) Foil Lined Insulation, with a 3.18 R Value.
• Gasket: 1/8” x 3/8” closed cell neoprene gasketing
• Standard Latch: Slotted Screwdriver Cam Latch
• Optional Latches/Locks: cylinder lock & key
• Finish: Mill finish