Application of sealant products on building exterior.

Air, Water and Vapor Barrier

Protecting buildings from air, water, moisture and vapor with compatible barrier solutions.

Solutions for Air, Water and Vapor Barrier applications

Meet the installation and performance needs of modern building construction with barriers that protect from air, water and vapor. We offer barrier solutions such as acrylic emulsion polymers and water-based silicone technologies to protect the building envelope.

Whether meeting regulatory requirements for energy efficiency or enhancing weatherability, Dow barriers provide performance and reliability. Our low-VOC solutions provide airtight performance in a wide range of temperatures, including exceptional durability and resistance to UV and water.

DOWSIL™ Silicone Air Barrier System offers better building performance

Learn about our compatible system that protects buildings from air, water and vapor.

WATCH VIDEO

New modern glass office building; Shutterstock ID 2988438; PO: redownload; Job: redownload; Client: redownload; Other: redownload

Build a Better Barrier™

Discover solutions that can help you build a better barrier to protect the building envelope from air, water and vapor.

LEARN MORE

New townhouse construction of pine lumber and sheathing.

RHOPLEX™ LA-501 100% Acrylic Latex Polymer

Explore more about this high-solids, 100% acrylic latex polymer that is designed to provide excellent bulk water resistance and optimal vapor permeability.

LEARN MORE