NATIONAL GUARD Automatic Door Bottom: Looped Insert, Aluminum, 36 in Lg
The NATIONAL GUARD Automatic Door Bottom with Looped Insert (MPN 520NDKB-36) is an aluminum door bottom measuring 36 inches in length and 2 15/16 inches in width. This product is designed to seal the gap under a…
SKU 3G-OTH-515149
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Product Description
The NATIONAL GUARD Automatic Door Bottom with Looped Insert (MPN 520NDKB-36) is an aluminum door bottom measuring 36 inches in length and 2 15/16 inches in width. This product is designed to seal the gap under a door, helping to block drafts, light, and sound.
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 520NDKB-36 automatic door bottom used for?
The NATIONAL GUARD 520NDKB-36 automatic door bottom seals the gap under a door to block drafts, light, and sound. It is commonly used in commercial and industrial facilities to improve energy efficiency and room privacy. 3G Electric supplies this aluminum looped-insert model for worldwide delivery.
What are the specifications of the NATIONAL GUARD 520NDKB-36?
The NATIONAL GUARD 520NDKB-36 is an aluminum automatic door bottom with a looped insert. It measures 36 inches in length and 2 15/16 inches in width. The manufacturer part number is 520NDKB-36. 3G Electric sources this genuine NATIONAL GUARD product for global supply.
Where to buy the NATIONAL GUARD 520NDKB-36 worldwide?
3G Electric supplies the NATIONAL GUARD 520NDKB-36 automatic door bottom to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine NATIONAL GUARD product for your facility.
How to install the NATIONAL GUARD 520NDKB-36 automatic door bottom?
Install the NATIONAL GUARD 520NDKB-36 by cutting it to exact door width, then attaching it to the bottom of the door using screws through the pre-drilled holes. Ensure the looped insert contacts the floor evenly when the door closes. 3G Electric provides this product for global delivery.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD automatic door bottoms. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









