Keep fire, smoke and noxious gas from spreading between spaces with 3M's extensive line of through penetration firestop solutions.
Through Penetrations
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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
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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
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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.
Looking for More Information?
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Interactive Guide
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