Our Certifications & Awards
GAF Factory Certified Master Elite Contractor
GAF is careful in selecting contractors to designate as Master Elite Contractors. They want you to be happy with your GAF roofing materials, and they know that correct installation is the key. Because of GAF’s rigorous standards, only the top 3% of all roofing contractors have qualified as Master Elite™ contractors!
REQUIREMENTS OF A GAF MASTER ELITE™ ROOFING COMPANY:
- Fully Licensed in our state to perform roofing work.
- Adequately Insured for your protection, including General Liability & Workers’ Compensation
- Have a Proven Reputation for providing quality roofing services throughout the community
- Committed to Ongoing Professional Training to ensure quality installation
To learn more about our recognition as a GAF Master Elite Contractor, click here!
41 Years of Experience and Incredible Qualifications
Duane Mainardi Builders has been providing high quality home improvement services for 3 generations. Take a look at our additional certifications and awards below!
Owens Corning
We have been approved by Owens Corning to be a preferred contractor.
BBB A+ Rating
BBB letter grades represent the BBB’s opinion of the business. The BBB grade is based on BBB file information about the business. The BBB grades business based upon several factors to include: business’ complaint history on BBB, time in business, competency licensing, etc.
Master Elite Consumer Protection Award
The Consumer Protection Excellence Award is achieved by installing at least one hundred (100) Lifetime Roofing Systems with enhanced warranties. This is a commitment to Consumer Protection that demonstrated our true focus on installing quality roofs.
Master Elite Consumer Protection Award
CertainTeed 5-Star Contractor
Master Craftsman
The Master Craftsman program offers advanced education and training for building professionals. Successful completion of this course demonstrates commitment to our profession and industry.
Owen’s Corning Preferred Contractor
Owens Corning™ Roofing Preferred Contractors are selected by invitation from the Owens Corning™ Roofing Contractor Network for their commitment to service, reliability and unparalleled craftsmanship. Owens Corning™ Preferred Contractors must meet the following criteria: Minimum of two years operating under the same business name; In good standing with the Better Business Bureau; Holds at least $1,000,000 in general liability insurance; Carries all required state and local licensing and insurance; Knowledge of the latest industry standards and technology; Dedication to customer service and professional craftsmanship.
The Vinyl Siding Institute – VSI Certified Installer
Master Shingle Applicator
The Master Shingle Applicator program provides education in every aspect of shingle installation techniques, and the approved procedures for installing all CertainTeed shingles. This certification covers topics such as workmanship practices, roof systems, estimating, flashing, ventilation, and product installation instructions.
Continuing Education: The Systems Approach to Designing a House(Part 1)
Continuing Education: Principles of Attic Ventilation
Completion of this course demonstrates completion of an examination of the year-round benefits of attic ventilation. This course provided us with an understanding of the interrelationships between roofing, ventilation and insulation systems within an attic; how they interact and how they must be integrated into an efficient system.
Continuing Education: The Systems Approach to Designing a House (Part 2)
Continuing Education: The Systems Approach to Designing a House (Part 3)
Continuing Education: The Role of Moisture Management in Sustainable Building
Continuing Education: The Practice of Sustainable Design (Homes)
Continuing Education: The Practice of Sustainable Design (Commercial Buildings)
Continuing Education: Building Insulation Using Spray Polyurethane Foam
Continuing Education: Introduction to Applications of Fire Rated Glazing
Continuing Education: A Systems Approach to Effective Basement Design
Continuing Education: Building Envelope Design for Moisture and Mold Control in Frame Wall Assemblies
Continuing Education: Low Slope Bituminous Roof Systems
Continuing Education: Self Adhering Systems in Low Slope Roofing
Continuing Education: Modified Asphalt Roofing Techniques and Repairs
Continuing Education: Synthetic Slate Roofing Tiles
Continuing Education: Weather Resistant Barriers in Vertical Exterior Walls
Continuing Education: Building Solar Radiation and Sustainable Roof Systems
Continuing Education: New Dimensions in Asphalt Shingles
Continuing Education: HVAC Ductwork: Issues, Answers
Continuing Education: Acoustics: Noise Control
Continuing Education: Acoustic Ceiling Panels for Spaces Where Acoustics Matter
Continuing Education: Introduction to Gypsum Shaftwall
CertainTeed Master Shingle Applicator
