Associations & Certifications
Trusted Credentials.
Proven Expertise.
At Exterior Designers, Inc., we don’t just claim to be experts—we prove it. Under the leadership of Tim Johnson, our team maintains the industry’s most demanding certifications to ensure every project meets the highest standards of safety and durability. We believe that continuous professional education is the foundation of quality craftsmanship.
By investing in manufacturer training and elite industry affiliations, we ensure that every installation follows strict best practices. When you choose EDI, you are choosing a team dedicated to delivering long-lasting exterior solutions and exceptional results for homeowners throughout the western suburbs of Chicago.
Browse our full list of professional credentials and manufacturer certifications to see why homeowners have trusted EDI since 1986.
Professional Certifications
We believe homeowners deserve to work with contractors who meet the highest professional standards. Our certifications, industry affiliations, and professional memberships demonstrate our commitment to quality craftsmanship, safety, and ongoing education.
These credentials also ensure we follow industry best practices and manufacturer guidelines—allowing us to deliver long-lasting exterior remodeling solutions for homeowners throughout the western suburbs of Chicago. When you choose Exterior Designers, Inc., you’re choosing a team that has invested in professional training, manufacturer certifications, and industry relationships to provide exceptional service and results.
Professional Associations
Better Business Bureau (BBB) – A+ Rated Member Exterior Designers, Inc. has proudly maintained an A+ rating with the Better Business Bureau for over 20 years. This long-standing accreditation reflects our unwavering commitment to transparency, ethical business practices, and consistent customer satisfaction.
Naperville Area Chamber of Commerce As active members for more than 35 years, EDI is deeply rooted in the local business community. Our long-term involvement with the Chamber underscores our dedication to the economic health and professional integrity of the Naperville area.
NRCA – National Roofing Contractors Association Being a member of one of the construction industry’s most respected trade associations allows us to stay at the forefront of the latest roofing technology, safety standards, and technical advancements to better serve our clients.
NARI – National Association of the Remodeling Industry As members of NARI, we are committed to the highest standards of honesty, integrity, and responsibility. We adhere to a strict code of ethics designed to protect homeowners and ensure professional excellence in every remodeling project.
Why Choose EDI as Your Professional Contractor
We’re glad you asked. Founded in 1986, EDI was built on one goal: to provide top-quality residential exterior remodeling services and workmanship, along with exceptional service at a fair price. Based in Downers Grove, Illinois, we specialize in roofing, siding, windows, doors, soffit and fascia, and gutter solutions, and have been a trusted provider throughout the region for nearly four decades. EDI also holds multiple industry certifications, giving you confidence that the workmanship on your project will be second to none.
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