NATIONAL GUARD Door Threshold: Saddle, Aluminum
The NATIONAL GUARD Door Threshold is a 4 ft long aluminum saddle threshold (MPN 425DKB-48) with a fluted transition type. 3G Electric sources this genuine industrial building supply across 14 departments, backed by…
SKU 3G-OTH-505045
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Product Description
The NATIONAL GUARD Door Threshold is a 4 ft long aluminum saddle threshold (MPN 425DKB-48) with a fluted transition type. 3G Electric sources this genuine industrial building supply across 14 departments, backed by specialist expertise in combustion, pumps and controls to ensure you get the right part for your facility.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the NATIONAL GUARD 425DKB-48 door threshold used for?
The NATIONAL GUARD 425DKB-48 is a 4 ft long aluminum saddle threshold with a fluted transition type. It is used to seal the gap under commercial or industrial doors, reducing drafts, debris ingress, and energy loss while providing a smooth transition for foot or cart traffic.
What are the specifications of the NATIONAL GUARD 425DKB-48 threshold?
The NATIONAL GUARD 425DKB-48 is a 4 ft long aluminum saddle threshold with a fluted transition type. The manufacturer part number is 425DKB-48. It is designed for heavy-duty door openings in industrial facilities and is sourced by 3G Electric across 14 departments.
Where to buy the NATIONAL GUARD 425DKB-48 threshold worldwide?
3G Electric supplies the NATIONAL GUARD 425DKB-48 aluminum saddle threshold worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this genuine building supply.
How to install a NATIONAL GUARD saddle threshold?
To install the NATIONAL GUARD 425DKB-48, first measure and cut the threshold to fit the door opening width. Clean the subfloor, apply a bead of construction adhesive, and press the threshold into place. Secure with masonry screws or anchors at pre-drilled holes. Allow adhesive to cure before heavy traffic.
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.









