Allegion 8645 Threshold Installation Guide
Product: 8645 Threshold
Company Information
Brand: Allegion
Division: Zero International
Customer Service: 1-877-671-7011
Website: www.allegion.com/us
Important Safety Information
⚠️ 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 Certification and Compliance
UL Classification: Classified C Ⓤ US
Description: 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
Document Information
Copyright: Allegion 2025
Printed in: U.S.A.
Document Number: 016360 Rev. 07/25
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