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3M Firestop Products for Construction Joints
Stopping the Spread

Help prevent the spread of fire, smoke and toxic fumes with 3M’s line of firestop products used in dynamic construction joint systems.


Construction Joints

High-Performance Fire Barrier

  • Fire protection is a critical concern in the construction of new buildings or renovations, particularly for construction joint systems like head-of-wall, wall-to-wall, bottom-of-wall and perimeter joints.

    3M construction joint systems help prevent and limit the devastating effects of fire. Regardless of the project, 3M offers affordable solutions and the expertise to match your passive fire protection needs.

Product Categories

  • 3M’s Construction Joint System products are designed to accommodate various movements induced by thermal differentials, seismicity and wind loads. When properly installed, they provide 3–4-hour protection against the spread of fire, smoke and noxious gas. 3M also has a variety of firestopping products that can be used in static joint systems.

  • 3M Fire Barrier Sealants

    3M™ Fire Barrier Sealants

    3M offers firestop barrier sealants used to help prevent the spread of fire, smoke, toxic fumes and moisture. For both joint and through-penetration applications, our products have a fire rating of up to 4 hours in tested and listed systems for construction joints.

  • 3M Smoke and Sound Sealants

    3M™ Smoke and Sound Sealants

    This high-performance flexible latex sealant is designed to minimize sound transfer and prevent the spread of smoke by sealing construction joints and through penetrations in non-fire-rated wall and floor assemblies. In addition, it acts as a draftstop to prevent unwanted air movement and provides a barrier against dust and other airborne particulates.

  • 3M™ FireDam™ Spray

    3M™ FireDam™ Spray

    This sprayable water-based material dries to form a durable, elastomeric coating. When used as part of an assembly, it helps firestop building joints, perimeter joints (curtain wall) and through penetration seals, providing up to 4 hours of fire protection in tested and listed systems for construction joints.

Help You Can Count On

  • 3M Firestop Product Support for Specifiers and Architects

    Specifiers and Architects

    For complex risk management issues, 3M offers guidance for architects and specifiers, including help with scheduling, quality and cost.



  • 3M Firestop Product Support for Contractors


    We offer assistance to general contractors and sub contractors/installers looking to improve their productivity.

    System Selector
    Estimator Tool

  • 3M Firestop Product Support for Consultants and Code Officials

    Consultants and Code Officials

    We provide tools to assist in providing compliance, conformity and productivity information for completed as-built environments.


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