NGP Fire Door Head/Jamb Gap Solutions, 21', Gray, 45 Min
UL Certified Miscellaneous Fire Door Accessory for Excessive Door and Frame Clearances, Measuring up to 3/8"
For Use on 20- and 45-Minute Rated UL10B and UL10C Wood or Hollow Metal Fire Doors
An NGP Strike Shim 9275 or 9225 is also Required for Proper Latchbolt Engagement
NGP Intumescent Materials are Formulated to Expand at 275єF up to 20 Times Their Original Thickness, Completely Sealing the Gap Around and Between Doors During a Fire
Modified Acrylic Pressure-Sensitive Adhesive Protected by Release Liner
Provides High Initial Adhesion and Long-Term Holding Power for Permanent Mounting in Exterior or Interior Locations
Resistant to Aging, Weathering, UV Radiation, Water, Detergent, Alcohol and the Influence of Chemicals
End Use Temperature Range of Adhesive, Long-Term Exposure -30°F up to 250°F
Shelf Life of Adhesive Prior to Installation is One Year When Stored at 75°F and 50% Relative Humidity or Less