You have successfully added an item to your cart. View Cart


Majestic Firestop Spacer for Straight Up Flue - FS338

Image coming soon
Item: 03610756
MSRP: $52.00
  • *Not available in Utah or Michigan*
  • Fast, easy, secure installation
  • Withstands up to 4 hours of fire resistance
  • Built with non-combustible and intumescent materials
  • Suitable for both residential and commercial applications
  • Requires minimal maintenance
  • Durable build
  • Provides superior protection

Introducing the Majestic Firestop FS338, an innovative and high-performance firestop system meticulously crafted to safeguard against the spread of fire and smoke in straight up flue applications. With its patented design, this firestop system ensures a swift, effortless, and secure fit for optimal protection. UL Classified and tested to withstand up to 4-hours of fire resistance, it offers unparalleled safety assurance. Constructed with a blend of intumescent and non-combustible materials, the Majestic Firestop FS338 delivers superior fire protection for both residential and commercial settings. It instills confidence in its reliability and durability. Easy to install and requiring minimal maintenance, this firestop system stands as the ideal choice for any building, providing peace of mind and protection for years to come.

WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to