3M 16531 Automotive Medium Self-Contained Firestop Pillow, 9" Length x 6" Width x 2" Thickness, Red, Case of 16

3M 16531 Automotive Medium Self-Contained Firestop Pillow, 9" Length x 6" Width x 2" Thickness, Red, Case of 16

• 3M 16531 Automotive Medium Self-Contained Firestop Pillow is a self contained intumescent firestop product designed to help seal through penetration openings. This medium firestop pillow measures 9" Length x 6" Width x 2" Thickness and is intended for use in compatible fire barrier systems to help resist the spread of flame, smoke, and gases.
• Features:
  • Self contained intumescent pillow design helps seal through penetration openings while supporting fire barrier performance in rated assemblies.
  • Medium9" Length x 6" Width x 2" Thickness size provides a defined fit for compatible opening layouts and firestop system designs.
  • Re enterable pillow style construction helps simplify maintenance and retrofit work where penetrations may need future access.
  • Designed for use in through penetration firestop systems where a compatible 3M fire barrier pillow product is specified.
• Specifications:
  • Manufacturer: 3M
  • Part Number: 16531
  • MPN: 16531
  • Product Name: Automotive Medium Self-Contained Firestop Pillow
  • Alternate Part Number: FB269
  • Alternate Part Number: 7100016178
  • Size:9" Length x 6" Width x 2" Thickness
  • Color: Red
  • Product Type: Firestop Pillow
  • Quantity: 16 pillows per case
  • System Compatibility or Application: Designed for use in through penetration firestop openings where a compatible 3M fire barrier pillow system is specified.
• The 3M 16531 Automotive Medium Self-Contained Firestop Pillow can also be referred to as fire barrier pillow, intumescent firestop pillow, medium firestop pillow, through penetration firestop pillow, and re enterable firestop pillow.

3M is a global manufacturer of safety, adhesive, abrasive, and industrial products used across construction, automotive, maintenance, and regulated workplace environments. The company is widely recognized for fire protection and sealing solutions designed to support code compliant installation systems.

Q: What is 3M 16531 used for?
A: It is used to help seal through penetration openings in fire barrier applications where a pillow style firestop product is specified.

Q: Is this product intended for permanent or re enterable installations?
A: This pillow style firestop product is commonly used where re enterable installation is beneficial for maintenance or retrofit access.

Q: Does this SKU contain identical items or different components?
A: This SKU contains identical firestop pillows, so the quantity is listed in the specifications instead of an Includes section.