Allegion 8644 Installation Instructions
Customer Service: 1-877-671-7011
⚠️ Caution: Edges of aluminum parts may be sharp. Wear gloves and handle with care.
Installation Steps
Measure and Cut
Measure the door sill at the bottom of the frame. Cut the threshold to span the full width of the opening.
Notch for Jamb Stops
If the door frame has side jamb stops, notch the threshold ends as needed to ensure a proper fit.
Secure the Threshold
Place the threshold on the sill and fasten it in place using the provided screws.
Check Door Operation
Open and close the door several times to confirm that it latches and closes smoothly. Make any necessary adjustments to the threshold.
Product Classification
[UL Classified Mark] C US
Positive Pressure Tested Gasketing Materials for Fire Doors. Intended for Application to/ with listed steel frames and/or classified steel covered composite, hollow metal type fire doors rated up to 3 hours, wood and plastic covered composite type fire doors rated up to 1-1/2 hours, and wood core type fire doors rated up to 20 minutes. Meets UL10B, UL10C and CAN4-S104-2010 Category J.17L5 9903
Allegion US | Redefining Access Control & Commercial Security
