Insulated Access Doors BI model fire-rated, insulated access doors provide access through openings in fire-rated vertical or horizontal surfaces. UL listed “B” label for 1-1/2 hours in vertical surfaces (maximum temperature rise to 250° F in 30 minutes. Warnock-Hersey listed for 3 hours in horizontal surfaces.

 

BIT: Insulated Exposed Flange Fire-Rated Access Doors
• 1″ Exposed Flange
• Vertical or Horizontal Installation
• Fire Rated Vertical and Horizontal

 

[four_fifth_lastBIW: Insulated Wall-Bead Flange Fire-Rated Access Doors
• Wall Bead Flange
• Vertical or Horizontal Installation
• Fire Rated Vertical and Horizontal[/four_fifth_last]

 

BIP: Insulated Plaster Bead Flange Fire-Rated Access Doors
• Plaster Bead
• Vertical or Horizontal Installation
• Fire Rated Vertical and Horizontal