NATIONAL GUARD Fire and Smoke Seal: Bulb, Self-Adhesive Mounting, Std, Silicone
The NATIONAL GUARD Fire and Smoke Seal: Bulb is a self-adhesive silicone smoke seal with a bulb shape, available in brown and a standard adhesive bond. It measures 25 ft overall length (MPN 5050B-25'). 3G Electric…
SKU 3G-OTH-535101
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Product Description
The NATIONAL GUARD Fire and Smoke Seal: Bulb is a self-adhesive silicone smoke seal with a bulb shape, available in brown and a standard adhesive bond. It measures 25 ft overall length (MPN 5050B-25'). 3G Electric interprets your demand for fire and smoke containment solutions across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.
Frequently Asked Questions
What is NATIONAL GUARD Fire and Smoke Seal used for?
The NATIONAL GUARD Fire and Smoke Seal is used to block smoke and fire spread in door gaps and building joints. Its self-adhesive silicone bulb compresses to seal irregular openings, helping maintain compartmentation in commercial and industrial facilities.
What are the specifications of NATIONAL GUARD 5050B-25'?
The NATIONAL GUARD 5050B-25' is a 25 ft long, brown silicone bulb seal with standard self-adhesive mounting. It has a bulb shape for compression sealing and is designed for fire and smoke containment applications.
Where to buy NATIONAL GUARD Fire and Smoke Seal in worldwide?
3G Electric supplies the NATIONAL GUARD Fire and Smoke Seal worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order the 5050B-25' or other smoke seal solutions for your facility.
How to install NATIONAL GUARD self-adhesive smoke seal?
Clean the mounting surface thoroughly, remove the liner, and press the seal firmly into place. Ensure the bulb faces the smoke side. For best adhesion, apply at temperatures above 50 °F and avoid stretching the silicone during installation.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD smoke seals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









