NATIONAL GUARD Door Threshold: Saddle, Aluminum
The NATIONAL GUARD Door Threshold is a 6 ft long aluminum saddle threshold (MPN 425DKB-72) with a fluted transition type. 3G Electric sources this genuine industrial building product across 14 departments, backed by…
SKU 3G-OTH-505087
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Product Description
The NATIONAL GUARD Door Threshold is a 6 ft long aluminum saddle threshold (MPN 425DKB-72) with a fluted transition type. 3G Electric sources this genuine industrial building product across 14 departments, backed by specialist expertise in combustion, pumps, and controls to ensure accurate fulfillment.
Frequently Asked Questions
What is the NATIONAL GUARD 425DKB-72 door threshold used for?
The NATIONAL GUARD 425DKB-72 is a 6 ft aluminum saddle threshold with a fluted transition type. It is used to seal the gap under doors, preventing drafts, moisture, and pests while providing a smooth transition between flooring surfaces in commercial or industrial buildings.
What are the specifications of the NATIONAL GUARD 425DKB-72 threshold?
The NATIONAL GUARD 425DKB-72 is a 6 ft long aluminum saddle threshold with a fluted transition type. It is made of aluminum and is designed for door bottom sealing. The manufacturer part number is 425DKB-72.
Where to buy the NATIONAL GUARD 425DKB-72 threshold worldwide?
3G Electric supplies the NATIONAL GUARD 425DKB-72 threshold to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine industrial building product.
How to install the NATIONAL GUARD 425DKB-72 saddle threshold?
Install the NATIONAL GUARD 425DKB-72 by cutting it to the exact door width, then securing it to the subfloor with appropriate fasteners. Ensure the fluted surface faces the interior for traction. Seal the ends with caulk to prevent moisture ingress. Follow local building codes.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD saddle thresholds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









