Exterior Designers, Inc. currently holds a number of certifications. When you choose EDI, you can be confident that the workmanship you receive on your project will be second to none.

• Exterior Designers, Inc. is fully licensed in the state of Illionis
• Current certificate of Insurance is available on request
• Certified in Lead Safety (Renovation, Repair, and Painting)
• US Environmental Protection Agency – Lead Safe Certified Firm
• NARI – Certified Remodeler
• James Hardie – Certified James Hardie Preferred Remodeler
• CertainTeed – Master Shingle Applicator (having passed the MSA test in the CertainTeed Shingle Applicator’s Manual)
• CertainTeed – Select ShingleMaster – Achieved CertainTeed’s highest credential level – authorizing EDI to operate and represent itself as a SELECT Shingle Master, and can also offer the CertainTeed SureStart PLUS warranty extensions.
• Occupational Training & Supply, Inc. – Mold Remediation Certified
• Air Vent Inc. – Successfully completed Air Vent’s Attic Ventilation: Ask the Expert Seminar

*Copies of these certifications as well as others are available for review at the request of the client.

Tim Johnson and Exterior Designers, Inc. are active members of a variety of associations, including:

• Atlas Signature Select Roofing Program
• NRCA – National Roofing Contractors Association
• NARI – National Association of the Remodling Industry
• The Rotary Club of Naperville, part of Rotary International
• Lisle Chamber of Commerce
• Naperville Area Chamber of Commerce (35+ Year Membership)
• Better Business Bureau [A+ Rating] (18+ Year Membership)