3M Fire Barrier Pillows FB369 3" x 6" x 9" - Large

Item #: 3M16532-0.EA*NA

Mfr. Part #: 7100138834


3M Fire Barrier Pillows are self-contained, intumescent products designed for use in through-penetration firestops, providing up to 3 hours of protection. This fire barrier pillow expands to form a hard char that tightly seals against flame spread, smoke and toxic gases. We ...

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Available: 10

Case Quantity: 20



San Diego






Salt Lake




San Marcos


(*) Minimum Quantity: 1

About This Product


3M Fire Barrier Pillows are self-contained, intumescent products designed for use in through-penetration firestops, providing up to 3 hours of protection. This fire barrier pillow expands to form a hard char that tightly seals against flame spread, smoke and toxic gases. We also engineered this product to be re-enterable and re-useable for new or retrofit installations.

  • Firestop tested for up to 3 hours of protection in accordance with ASTM E 814 (UL 1479)
  • Expands to form a hard char that tightly seals against flame spread, smoke and toxic gases
  • Re-enterable and re-useable for new or retrofit installations
  • Graphite-free composition does not conduct electricity
  • No wire mesh required and easy to install, inspect, remove and reuse as needed
  • Excellent aging properties for long-lasting durability and performance

Prevent the Spread of Smoke, Fire and Toxic Gases

Designed for use in through-penetration firestops, such as cable trays, conduit and blank openings. 3M Fire Barrier Pillows are self-contained, intumescent products that expand and lock into place during a fire. This helps prevent the spread of smoke, fire and toxic gases. These fire pillows are easy to install (PDF, 170 Kb) and do not require mesh wire. They are ideal for projects requiring re-enterability of a firestop system, simply remove and replace pillows as needed. Constructed with graphite-free composition, which has a high dielectric strength, these fire protection pillows have excellent aging properties, providing long-lasting durability and performance.


  • Firestopping medium to large openings containing power or communication cables and conduits
  • Gypsum wall, concrete or block wall and concrete floors
  • Blank openings up to 540 sq. in. (3483 sq. cm)
  • 1 or 2 cable racks or trays per penetration
  • Conduit bank, inner duct cable and cable racks or tray applications
  • Used in conjunction with 3M Moldable Putty+

Reliable and Affordable Fire Protection

Effective and easy to install, 3M Fire Barrier Pillows are part of our family of fire protection products. They offer the broadest, long-lasting solutions for a variety of commercial, industrial and residential applications. As a trusted leader in the fire protection industry, 3M offers a broad line of affordable products designed to meet the most demanding firestop requirements. Find the solution you need from the industry-preferred line of fire protection products.


3M Fire Barrier Pillows FB369 Documents


3M Fire Barrier Pillows FB369 Specifications

Shipping & Returns

Sunshine Supply prides itself on providing only the best waterproofing products to the construction industry. Unfortunately, products we offer may not always meet our customers expectations. If this is the case, we are happy to accept your return and help you find a product that better fits your needs. (see return policy below)

If the reason for your return is a result of a mistake made by Sunshine Supply, we will provide a full product refund along with all tax, shipping, and handling fees applicable to your sale. Return shipping, if necessary, will be processed and scheduled by Sunshine Supply. Please, do not send back your products without consulting a customer service representative first to ensure a quick and easy refund.

Please inform Sunshine Supply immediately if any of your items are missing or damaged upon arrival. Make sure to notate all damages on the shipping receiver from our carriers or Sunshine Supply’s packing slip.

In the event we are unable to accept return of a product due to damage or leaking material. Sunshine Supply will provide a full refund, assuming it meets eligibility of our return policy, but expect the customer to dispose of the materials following all Southern California disposal guidelines.

Returns are fast and easy, but we do have a couple exceptions for products to be eligible for return. The exceptions are as follows:

  • The original purchase date must be 30 days or less. Returns may be subject, but not limited to, a 20% restock fee if the return is made after 30 days. Returns older than 60 days will not be accepted.
  • The product is in original, unopened manufactures packaging.
  • The product is not expired or close to its expiration date.
  • If applicable, product lot/batch number is clearly visible and matching the original sale lot/batch number.
  • Not all returns are the same and it is difficult to outline every instance that meets return eligibility. If your return does not meet the requirements above please give us a call and we will attempt to remedy the situation in some other way. The satisfaction of our customers is Sunshine Supply’s top concern.

Here is some legal jargon from our Terms and Conditions:


Sunshine Supply Co., Inc. is under no obligation to accept return of products purchased by customer whether or not they are special order. Sunshine Supply Co., Inc. may, in its sole discretion, accept a return of products and provide a credit to the customer’s account if (I) the products were purchased from Sunshine Supply Co., Inc., (II) the product is not visibly defective or impaired or have expired expiration dates, (III) the product is returned within thirty (30) days of the date of sale, and (IV) the product is in the original manufacturer’s packaging with Lot/Batch number clearly legible and matching the original sale. If Sunshine Supply Co., Inc. accepts the return of product, a restocking fee of 20% of the purchase price shall be deducted from all credited amounts from all stock, non-stock, or special order product. Additional limitations or costs may be imposed upon their return including those required by the manufacturer of the product.

Warning: This product contains a chemical known to the State of California to cause cancer.
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