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

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

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

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

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

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.
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.
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.

Featured Adhesive Sealant Products

3M™ Polyurethane Construction Sealant 525

3M™ Polyurethane Sealant 540

3M™ Polyurethane Adhesive Sealant 560

Building Sealants for the Building Envelope and Beyond

Image of a multi-level building under construction

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