Thermal & Moisture Protection

Williams Products offers thermal & moisture protection in the form of joint seals and sponges that are specifically engineered for fire resistance and sealing vertical and horizontal expansion joints.

Division 7 Thermal & Moisture Protection

Your project needs the right protection from the elements in the form of closures and seals that will ensure nothing seeps inside. Our joints and closures are designed for specific projects to fit specific requirements, so you know you are getting a product unique to your needs.