NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum

The NATIONAL GUARD 425HD-72 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 pests while accommodating heavy foot or cart traffic.

The NATIONAL GUARD 425HD-72 is a heavy-duty aluminum door threshold measuring 6 ft in length. It features a fluted transition type and is manufactured under part number 425HD-72. This threshold is built for durability in high-traffic industrial and commercial applications, providing a reliable seal and slip resistance.

3G Electric supplies the NATIONAL GUARD 425HD-72 heavy-duty door threshold to customers worldwide. We interpret your demand, source the OEM part through our global network, and handle full logistics and customs clearance for delivery. Contact us to order this specific threshold for your facility.

Install the NATIONAL GUARD 425HD-72 by first measuring and cutting the threshold to fit your doorway width if needed. Clean the subfloor, apply a bead of construction adhesive, and press the threshold into place. Secure it with corrosion-resistant screws through the pre-drilled holes, ensuring the fluted surface faces outward for traction.