NGP 412 Aluminum or Stainless Steel Threshold Instructions

September 3, 2024
NGP

NGP 412 Aluminum or Stainless Steel Threshold

Product Specifications

  • Manufacturer: National Guard Products Inc.
  • Phone: 1-800-647-7874
  • Material: Aluminum or Stainless Steel
  • Application: Threshold for fire doors
  • Gasketing Materials: Positive pressure tested
  • Fire Door Ratings: Up to 3 hours for hollow-metal-type fire doors, up to 1-1/2 hours for wood-type fire doors
  • Category: J 5.18

Product Usage Instructions

  1. Cut Threshold: Measure and cut the threshold to the required size.
  2. Notch Around Door Frame: If desired, notch the threshold around the door frame to ensure a proper fit.
  3. Attach to Floor: Use the provided fasteners to securely attach the threshold to the floor surface.
  4. Caulk for Moisture Control: Apply caulk around the base of the threshold to prevent moisture infiltration.

Frequently Asked Questions

Q: What types of fire doors is this threshold suitable for?

A: This threshold is suitable for hollow-metal-type fire doors rated up to 3 hours and wood-type fire doors rated up to 1-1/2 hours.

Q: How should I install the threshold?

A: Follow the installation instructions provided in the manual – cut to size, notch if needed, attach with fasteners, and caulk around the base for moisture control.

Q: Is the gasketing material tested for positive pressure?

A: Yes, the gasketing material has been positively pressure tested for use on fire doors.

Installation Instructions

  1. Cut the threshold to the size required.
  2. Notch around door frame if desired.
  3. Attach to the floor surface with fasteners provided.
  4. Caulk around the base of the threshold for moisture control.

POSITIVE PRESSURE-TESTED GASKETING MATERIALS FOR FIRE DOORS

  • FOR APPLICATION TO HOLLOW-METAL-TYPE FIRE DOORS
  • RATED UP TO 3 HOURS AND WOOD-TYPE FIRE DOORS
  • RATED UP TO 1-1/2 HOURS.
  • CATEGORY J

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