National Guard Products 9590 Fire Door Bottom Gap Solution — Up To 90 Minutes
UL Certified for Door Bottom Gaps — Measuring up to 1-1/2″
- 90-Minute Rated — for Use on UL10B and UL10C Wood or Hollow Metal Fire Doors
- Certified for use on doors with Concealed Vertical Rod Exit Devices or Automatic Flush Bolts, refer to Installation Instructions
- Restricts the passage of smoke
- Available in 36″ and 48″ Lengths
- End Caps Furnished Standard
- Non-handed
- Patent Pending