NATIONAL GUARD Door Weatherstripping: Bulb, Screw-In Mounting, EPDM, 3 ft Overall Lg
The NATIONAL GUARD Door Weatherstripping is a bulb-shaped, screw-mount perimeter seal made of black EPDM, available in a 3 ft overall length (MPN 137NDKB-36). It is designed for adjustable installation on doors to…
SKU 3G-OTH-512236
Need installation or engineering help?
Ask a question
Product Description
The NATIONAL GUARD Door Weatherstripping is a bulb-shaped, screw-mount perimeter seal made of black EPDM, available in a 3 ft overall length (MPN 137NDKB-36). It is designed for adjustable installation on doors to block drafts and debris. 3G Electric sources this genuine industrial part across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate fulfillment.
Frequently Asked Questions
What is NATIONAL GUARD Door Weatherstripping used for?
This bulb-shaped, screw-mount perimeter seal blocks drafts, dust, and debris around doors. It is commonly used in commercial and industrial facilities to improve energy efficiency and maintain clean environments. 3G Electric supplies this genuine NATIONAL GUARD part across 14 industrial departments.
What are the specifications of NATIONAL GUARD 137NDKB-36?
The NATIONAL GUARD 137NDKB-36 is a black EPDM weatherstripping with a bulb seal shape and screw-in mounting. It has an overall length of 3 ft. The material is EPDM rubber, and the manufacturer part number is 137NDKB-36. 3G Electric sources this part for global delivery.
Where to buy NATIONAL GUARD Door Weatherstripping worldwide?
3G Electric supplies the NATIONAL GUARD 137NDKB-36 door weatherstripping worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this genuine part.
How to install NATIONAL GUARD screw-mount weatherstripping?
Install the NATIONAL GUARD 137NDKB-36 by positioning the bulb seal against the door frame and driving screws through the pre-drilled mounting holes. Adjust the seal compression by loosening screws and sliding the strip. Ensure the EPDM bulb contacts the door evenly for a tight draft seal.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD adjustable screw-mount door perimeter seals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









