Nystrom I-Series 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 250єF in 30 minutes). Warnock-Hersey listed for 3 hours in horizontal surfaces.
IT
• 1" Exposed Flange
• Vertical or Horizontal Installation • Fire Rated Vertical and Horizontal
IW
• Wall Bead Flange
• Vertical or Horizontal Installation
• Fire Rated Vertical and Horizontal
IP
• Plaster Bead
• Vertical or Horizontal Installation
• Fire Rated Vertical and Horizontal
Access Doors
Entrance Flooring Systems
