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In-progress building covered with 3M air barrier
3M Adhesive Sealants

Protect the building envelope with construction sealants

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High Strength Sealant Adhesives for a Tighter Building Envelope

The smallest flaws in the building envelope can turn a project into a liability. Protect your build and your business with 3M industrial sealants engineered to outlast mechanical and environmental strain.

From the moment the façade is lifted, it’s your construction vs. the elements. Specially formulated 3M joint sealants and construction sealants fight back using the science of weatherability. Seal out the heat, humidity, UV rays and water ingress and seal in your reputation for buildings built to last.

Construction sealants are an easy, efficient alternative way to boost productivity by replacing or reducing mechanical fasteners or nails on the job site.

  • Broad portfolio icon

    Broad Portfolio

    Polyurethane and Silane Modified Polymer (SMP) sealant adhesives create durable bonds that flex and seal.

  • Easy to install icon

    Easy to Install

    Construction sealants come in cartridge or sausage packs for manual, battery-assisted or pneumatic applications.

  • Extreme conditions icon

    Extreme Conditions

    Create durable, elastomeric bonds that seal out the elements on a variety of substrates.

  • Sustainability icon

    Sustainable Building

    Choose industrial sealants with low VOCs or Greenguard® and LEED® accrediting for greener building projects.


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  • Sealed expansion joint between two different materials that may expand and contract at different rates

    Expansion Joints

    The ability to expand and contract at joints is vital to a building’s structural integrity. Equally important is sealing out the elements to regulate indoor temperatures and reduce noise pollution. 3M’s polyurethane sealants offer an ideal elastomeric bond that allows those joints to move while sealing off the building interior.

  • Worker sealing a joint around a pipe

    Moisture Barriers

    Water ingress is a big concern where the interior and exterior wall meet the slab foundation and where building components (plumbing, HVAC or electrical) enter and exit. Specially formulated building sealants from 3M offer marine-grade protection to ensure watertight seals that hold up to challenging at-grade and below-grade environments.

  • Worker sealing a joint between different materials

    Gap-Filling Bonds

    Tightening up the building envelope is fundamental in maximizing energy efficiency. New architectural techniques are effective in optimizing air flow but can be a challenge to build and seal. Using 3M’s adhesive sealants in construction helps you build to spec with flexible, durable bonding to fill gaps and maintain ventilation efficiency.


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Need help finding the right product for your project? Contact us if you need product, technical or application advice or want to collaborate with a 3M technical specialist, or give us a call at 1-800-831-0658.

Need help finding the right product for your project? Contact us if you need product, technical or application advice or want to collaborate with a 3M technical specialist, or give us a call at 1-800-831-0658.

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