Worker applying a 3M firestop product to a through-penetration
Contain the Spread of Fire

Keep fire, smoke and noxious gas from spreading between spaces with 3M's extensive line of through penetration firestop solutions.

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Through Penetrations

  • Through Penetration Products for Every Situation

    Effectively fill spaces caused by pipes and cables traveling between walls with 3M's through penetration products. Whether you need preformed plugs or the flexibility of an expanding foam, sealant or moldable putty, 3M has you covered. Our products are designed with a focus on easy application and excellent adhesion—because when it comes to fire protection, there's no room for doubt.


New Product

  • (SPEECH) [MUSIC PLAYING] (DESCRIPTION) Logo: 3M. - Science. Applied to Life. Title: 3M Building Protection. Tagline: Let's Build Smarter. (SPEECH) Let's get building smarter. (DESCRIPTION) Text: 3M Electrical Box Insert (E B I). (SPEECH) Today, you will learn about 3M's new electrical box insert and how its versatility and usability can help make fire protection for electrical outlets. Simple. Electrical box inserts are designed to restore ratings and fire resistance-rated walls where electrical boxes have been installed. (DESCRIPTION) Text: An image represents Hyper-GS Intumescent Technology after exposure to fire. (SPEECH) This can help contain fire and potentially minimize damage to a building infrastructure. (DESCRIPTION) Icon: U L Certified. Safety US - California. C L I V Listing. (SPEECH) EBIs are approved as a code compliant option for protecting various electrical boxes, including installations requiring acoustic ratings. (DESCRIPTION) Text: Tested in accordance to U L 14 79. STC rating of 62. Great alternative to traditional putty pads. Refer to 3M's CLIV listing for proper installation. (SPEECH) 3M's EBI is also approved for use in a variety of electrical box sizes. (DESCRIPTION) Product Features. Versatile - approved for a variety of electrical box outlet sizes and types. Two box sizes shown: 3.25 by 3.25 inches: for use in 4 by 4-inch electrical boxes. 3.75 by 3.75 inches: for use in 5 by 5-inch and smaller electrical boxes. (SPEECH) It's flexible and easy to use. Plus, it has a number of other great features, including 3M's newest intumescent technology, hyper-GS. (DESCRIPTION) Text: Hyper-GS Flexible Intumescent Technology. (SPEECH) The electrical box insert also provides a fully adhesive-backed pad for better coverage during installation. And pre-cut slits allow for easy installation and access to the wiring. 3M electrical box inserts are approved for a variety of electrical outlet box materials, including metal boxes, metal and plastic cover plates, double gang, and electrical boxes installed back-to-back on both sides of a wall. What makes this product even more versatile? Not only is this flexible insert easy to install, it's also a great option for both new construction and retrofit applications. (DESCRIPTION) Text: Installs before or after wiring is present. Bendable. No tools required. (SPEECH) Applying the 3M electrical box insert is as easy as one, two three. Peel off the adhesive liner, position it for application, and stick it to the back of the box. That's all you have to do. It's just that simple. Using 3M electrical box insert can be especially beneficial when fire protection is needed, but you don't have access to the exterior back of the box. They can be used in new construction, retrofitted into existing buildings, or in off-site prefabrication. A truly versatile product. Thanks for joining us for this video today. For more information, please visit our website, contact our team of experts, or reach out to your local 3M sales rep. (DESCRIPTION) For More Information, Contact: The Let's Build Smarter Building Protection Team. 3M Building Protection at m m m dot com. (SPEECH) So come on, let's build smarter together. (DESCRIPTION) Logo: 3M. Science. Applied to Life. Text: 3M is a trademark of 3M Company. Copyright 3M 2024. All rights reserved.

    Learn about 3M’s new electrical box insert and how it's versatility and usability can help make fire protection for electrical outlets simple.

    3M™ Fire Barrier Electrical Box Inserts

    Designed for easy installation due to flexible material design, pre-cut wiring slits, and full adhesive backing. The 3M™ Electrical Box Insert uses 3M™ Hyper-GS Intumescent Technology and expands 100x in volume under fire. This product is great for both retro-fitting and new construction applications which can be used in conjunction with metallic electrical boxes.


Product Enhancement

  • This is a group image of the 3M™ Fire Barrier Tuck-In Wrap Strip products

    3M™ Fire Barrier Tuck-In Wrap Strips

    3M has enhanced its Tuck-In Wrap Strip offering with a new version of the product that uses Hyper-GS Technology with increased flexibility.  The 3M™ Fire Barrier Tuck-In Wrap Strips are capable of expanding up to 100x to help delay damage to building infrastructure.


See 3M™ Fire Barrier Rated Foam FIP 1-Step in Action


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