We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum - Heavy Duty Thresholds
NATIONAL GUARDHeavy Duty Thresholds

NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum

The NATIONAL GUARD 425HD-36 is a heavy-duty aluminum door threshold, 3 ft long, with a fluted transition type. 3G Electric sources this genuine industrial threshold as part of our broader capability to deliver…

SKU 3G-OTH-505736

Brand
NATIONAL GUARD
Item
Door Threshold: Heavy Duty, Aluminum
Category
Heavy Duty Thresholds
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

NATIONAL GUARD
Manufacturer Part Number
425HD-36
Type
Aluminum
Lg
3 ft
Transition Type
Fluted
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

NATIONAL GUARD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NATIONAL GUARD 425HD-36 is a heavy-duty aluminum door threshold, 3 ft long, with a fluted transition type. 3G Electric sources this genuine industrial threshold as part of our broader capability to deliver equipment across 14 industrial departments, with specialist depth in combustion, pumps, and controls.

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 425HD-36 door threshold used for?

The NATIONAL GUARD 425HD-36 is a heavy-duty aluminum door threshold designed for commercial and industrial doorways. Its fluted transition type provides a slip-resistant surface and a clean seal at the bottom of the door, helping to block drafts, dust, and moisture in facilities like warehouses and factories.

What are the specifications of the NATIONAL GUARD 425HD-36?

The NATIONAL GUARD 425HD-36 is a heavy-duty aluminum door threshold with a length of 3 ft. It features a fluted transition type for improved traction and sealing. The manufacturer part number is 425HD-36. 3G Electric sources this genuine NATIONAL GUARD threshold as part of our industrial supply capability.

Where to buy the NATIONAL GUARD 425HD-36 worldwide?

3G Electric supplies the NATIONAL GUARD 425HD-36 heavy-duty door threshold to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine NATIONAL GUARD thresholds and support your procurement from order to arrival.

How to install the NATIONAL GUARD 425HD-36 door threshold?

To install the NATIONAL GUARD 425HD-36, first measure and cut the threshold to fit your doorway width. Clean the subfloor, apply a bead of construction adhesive, and press the threshold into place. Secure with screws through the pre-drilled holes. Ensure the fluted surface faces outward for traction. Seal edges with caulk.

NATIONAL GUARD Products

3G Electric supplies NATIONAL GUARD heavy duty thresholds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from NATIONAL GUARD

View all NATIONAL GUARD parts
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 3 ft Lg (MPN 425HDSIA-3). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 3 ft Lg (MPN 425HDSIA-3). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 4 ft Lg (MPN 425HDSIA-4). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 4 ft Lg (MPN 425HDSIA-4). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD Door Threshold: Saddle, Aluminum, 4 ft Lg (MPN 325HD-48"). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD
NATIONAL GUARD Door Threshold: Saddle, Aluminum, 4 ft Lg (MPN 325HD-48"). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 4 ft Lg (MPN 513HDDKB-48). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 4 ft Lg (MPN 513HDDKB-48). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 3 ft Lg (MPN 513HD-36). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 3 ft Lg (MPN 513HD-36). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 4 ft Lg (MPN 513HD-48). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 4 ft Lg (MPN 513HD-48). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 3 ft Lg (MPN 513HDDKB-36). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 3 ft Lg (MPN 513HDDKB-36). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 6 ft Lg (MPN 513HD-72). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.
NATIONAL GUARD
NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum, 6 ft Lg (MPN 513HD-72). Key specifications — Brand: NATIONAL GUARD; Transition Type: Fluted.