STI Firestop Pillow: 9 in Overall Lg, 2 in Overall Wd
The STI Firestop Pillow (MPN SSB24) is a 9-inch long, 2-inch wide red firestop pillow with a 4-hour fire rating, designed for wall and floor penetrations. It is a non-interlocking solution for sealing openings in…
SKU 3G-OTH-554512
Need installation or engineering help?
Ask a question
Product Description
The STI Firestop Pillow (MPN SSB24) is a 9-inch long, 2-inch wide red firestop pillow with a 4-hour fire rating, designed for wall and floor penetrations. It is a non-interlocking solution for sealing openings in fire-rated assemblies.
Frequently Asked Questions
What is the STI Firestop Pillow used for?
The STI Firestop Pillow (MPN SSB24) seals wall and floor penetrations in fire-rated assemblies. It provides a 4-hour fire rating to block flames and smoke through openings around cables or pipes, maintaining compartmentation in commercial and industrial buildings.
What are the specifications of the STI Firestop Pillow?
The STI Firestop Pillow measures 9 inches overall length by 2 inches overall width, is red in color, and carries a 4-hour fire rating. It is non-interlocking and designed for wall and floor penetrations. The manufacturer part number is SSB24.
Where to buy the STI Firestop Pillow worldwide?
3G Electric supplies the STI Firestop Pillow (SSB24) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this firestop pillow for wall and floor penetrations.
How to install the STI Firestop Pillow?
Install the STI Firestop Pillow by compressing it into the opening around cables or pipes in a wall or floor penetration. Ensure the pillow fills the gap snugly without gaps. Follow the manufacturer's instructions for fire-rated assemblies to maintain the 4-hour fire rating.
STI Products
3G Electric supplies STI firestop pillows. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.




