NOW IS THE TIME.

Evolve with the construction industry.

We developed the OSI Certified Dealer Program to help you deliver the highest quality installation every time, and help build your business. You’ll get a combination of proven product performance, education, and services that ensure a job done right.

My Work

Customized Installation
Process

Education

Validation testing

Limited Warranty

Ongoing Technical
Customer Service

Marketing

The QUAD® Window & Door System.

The system that beats mother nature.

We’ve taken years of window and door installation expertise and created a line of products that deliver a complete solution for your installation, ensuring unparalleled performance. Add the service of the OSI Certified Dealer Program and you have right products and the right process for a job done right. Every time.

  • icons

    QUAD® MAX

    QUAD® MAX

    Our groundbreaking window, door, and siding sealant has 5X stretch and strong adhesion to all building materials. Uniquely designed to be a 3-in-1 sealant for interior, exterior, and bedding applications for windows and doors. It sets the new standard for sealants.

  • icons

    QUAD® FOAM

    QUAD® FOAM

    QUAD Window & Door Installation Foam is a low-pressure, low-expansion, quick-setting insulating foam that blocks out air and moisture.

  • icons

    BUTYL FLASHING TAPE

    BUTYL FLASHING TAPE

    Our Butyl Flash tape provides a long-term weathertight seal to prevent moisture, vapor, and air penetration around windows and doors.

The OSI QUAD® Window and Door System is endorsed by leading building material manufacturers. When you partner with OSI’s Certified Dealer Program, we’ll work together to ensure your installations are of the highest quality for a partnership that puts you first.

Want
More Info?

Connect with an OSI window and door specialist.

Learn More

Ready To
Join?

Sign up for the OSI certified dealer program.

Sign Up
x

LEARN MORE.

Connect with an OSI Window & Door Specialist.

We’ll be your trusted partner every step of the way. We’ll help you reduce callbacks and costs by putting a well-trained workforce in the field with quality products – leading to more satisfied homeowners, a better reputation, and a better business. A job done right.

    Would you like to receive future communications from the OSI brand and its trusted partners? YesNo

    Validation errors occurred. Please confirm the fields and submit it again.

    Thank you for your interest in the OSI Certified Dealer Program.

    We stand with you. The OSI Certified Dealer Program is ready to arm you with the tools necessary to win the battle against Mother Nature every time.
    A team member will contact you shortly.
    For more information about OSI products, events, and support, please visit OSItough.com.

    x

    READY TO JOIN?

    Sign up for the OSI certified dealer program.

      Would you like to receive future communications from the OSI brand and its trusted partners? YesNo

      Validation errors occurred. Please confirm the fields and submit it again.

      Thank you for your interest in the OSI Certified Dealer Program.

      We stand with you. The OSI Certified Dealer Program is ready to arm you with the tools necessary to win the battle against Mother Nature every time.
      A team member will contact you shortly.
      For more information about OSI products, events, and support, please visit OSItough.com.

      OSI

      One Henkel Way Rocky Hill, CT 06067
      1.800.624.7767
      experiencetough@ositough.com

      Link to youtube