Quality Installation. Certified Performance.

At 12 Penny Exteriors, Inc., we are proud to provide expert window and door installation services backed by national certification through the AAMA InstallationMasters® Program. This certification ensures that every installation meets the highest standards of craftsmanship, performance, and customer satisfaction.

What Is the InstallationMasters® Program?

The InstallationMasters® program is a comprehensive training and certification initiative developed by the American Architectural Manufacturers Association (AAMA)—now part of the Fenestration & Glazing Industry Alliance (FGIA).

It is the industry-recognized standard for professional window and door installers and covers all aspects of proper installation techniques, including:

• Correct installation procedures for windows and exterior doors in new construction and replacement projects.
• Best practices for air and water management, flashing, and weatherproofing.
• Techniques to ensure energy efficiency, durability, and long-term performance of window and door systems.
• Safety and quality control standards aligned with current building codes and manufacturer guidelines.

Why AAMA & InstallationMasters® Certification Matters

When you hire an AAMA Certified Installer, you can expect:

• Proper Installation – Ensures your products perform as designed, maintaining warranty and efficiency.
• Reduced Risk of Leaks & Damage – Certified methods prevent common issues like water intrusion and air leaks.
• Energy Savings & Comfort – Professional installation maximizes your home’s thermal performance.
• Peace of Mind – You’re working with professionals who are trained, tested, and certified by a nationally recognized program.

Our Commitment to You

12 Penny Exteriors, Inc. is committed to excellence from consultation to completion. Our AAMA /InstallationMasters® Certified Installers follow strict procedures to ensure your project is done right—the first time. Your home deserves the care, precision, and expertise that only certified professionals can deliver.