What are fire stop pillows used for?
Firestop pillows are passive fire protection items. They are used for firestopping holes in wall or floor assemblies to achieve fireproofing, particularly in openings that require frequent access (e.g., cable changes), requiring the removal of the firestopping and resealing after the changes are completed.
What is an intumescent pillow?
Description. Intumescent Pillows will provide up to 4 hours fire protection to metal services and cables passing through compartment floors and walls. The pillows are simply packed tightly in between penetrating services and the wall. In a floor pillows are additionally supported by means of a mesh support system.
What are fire pillows made of?
PROMASEAL® Fire Pillows are manufactured from treated cloth filled with a high density, granulated fire seal mineral wool. When exposed to fire, the pillows remain in place and char, thus forming a fire barrier of a solid mass of insulating material.
Can you cut fire pillows?
A single size of pillow or combination of small, medium and large pillows may be used to complete the correct firestop through-penetration installation. Pillows can be re-sized in the field by cutting lengthwise and re-taping.
Do fire pillows expand?
During a fire, 3M™ Fire Barrier Pillows intumesce (expand) and lock themselves into place, surrounding the penetrant(s) to help prevent the spread of smoke, fire and toxic gases.
What is ul1479?
The UL 1479 tests required by Underwriters Laboratories determine the ability of a firestop system to stop the spread of fire, smoke, and water through a fire-rated barrier in the event of a fire and for how long a period of time.
How does a fire pillow work?
Fire Barrier Pillows work great by filling openings, spaces, and gaps in walls, ceilings, and floors to provide a barricade to stop fire, smoke and harmful gases from passing. The 3M™ Fire Barrier Pillow expands when heated to press and seal together to form a fire-rated divider.
What is ULC S115?
ULC Standards is pleased to announce the publication of the Fifth Edition of CAN/ULC- S115:2018, Standard Method of Fire Tests of Firestop Systems. The test method allows for the testing of the resistance of firestop systems to an external force simulated by a hose stream.