Roofing - Residential & Commercial

This guideline has been developed to assist you in obtaining a permit when tearing-off or installing a new roof covering on commercial or residential buildings, as well as accessory structures. Prior to performing roofing work, a permit must be obtained from the City of Wheaton Building Department. Provided below is information that addresses what needs to be submitted to the City, pertinent building codes and permit fees. These guidelines are by no means all-inclusive, but they do identify the most critical requirements that are involved in this type of project. Please review this information and call the City of Wheaton Building Department with questions.

Associated Documents
All associated documents are provided below.

Required Submittals
The following documents need to be submitted to initiate a review of your project:

  1. Building Application for Permit (Commercial & Residential)
    Building Application for Permit shall include: site address, description of work, Roofing Contractor’s Company Name and Company’s State Roofer’s License Number, cost of work, permit applicant contact information, etc.
  2. Contractor Registration (Commercial & Residential)
    Please see Contractor Registration Guidelines. To perform contracted roofing work, the roofing contractor is required to submit a valid State of Illinois Roofer’s License.

    Who Can Perform the Work
    Description of Work per the Illinois Roofing Industry Licensing Act:
    Limited Roofing License
    Limited to residential roofing, including residential properties consisting of eight (8) units or less.
    Unlimited Roofing License
    Roofing business is unlimited in nature and includes roofing on residential, commercial, and industrial properties.
    Property Owner
    Property owner is not required to register as a Roofing Contractor. Property owner may perform residential &/or commercial roofing on their property as long as they do not employ an assistant.
  3. Roof R-Value
    Per the 2012 International Energy Conservation Code, the minimum R-value for new roofs and tear-offs when decking is exposed and the “insulation is entirely above deck” is R-25, and for “attics and other” the minimum R-value is R-38 on any commercial roof or any residential roof that contains 3 or more dwellings and/or 4 or more stories. If there is no insulation within the cavities the minimum R-value will have to be met. A drawing of the roof assembly or a written summary of the scope of work must be submitted. The information must include type, thickness, and R-value of any and all insulation above and below the roof deck.
  4. Street Occupancy Permit (If Staging Area is in the City Right-of-Way)
    Provide Engineering Application for Permit along with information of staging area to include: schedule of work, type, and the number of barricades, number, and location of parking spaces to be occupied, etc.

Applicable Codes
The City of Wheaton has adopted, either by City ordinance or by code reference, the following codes for all commercial construction within the City limits:

  • International Building Code 2003
  • International Energy Conservation Code 2012

All code modifications by local ordinance are available for viewing at, within the applicable section headings of the Municipal Code (Chapter 22, Buildings and Building Regulations). Copies of these modifications and of the Codes listed above are also available at the Wheaton Public Library as reference materials.

Significant Codes - Re-roof
Manufacturer’s Installation Requirements. All roof coverings must be installed per the manufacturer’s installation specifications.

Self-Adhering Roof Underlayment. Self-adhering roof underlayment is commonly referred to as “Ice and Water Shield”. It must extend from the eave’s edge to a point at least 24” inside the interior wall line of the building.

Roof Replacement. A new roof shall not be installed without first removing the existing roof when any of the following conditions exist: (a) When there are two (2) or more layers of any type of roof covering; (b) The existing roof covering is either water soaked or deteriorated; and/or (c) The existing roof covering is a type of material that is not adequate or appropriate as a base for an additional layer.

Roof flashing. The roof flashing shall be installed in such a manner to prevent moisture from entering the structure at the wall or roof intersections, at changes of roof slope or direction, and around roof openings. Caulking is not an approved substitute for flashing.

IRC & IBC Specific Requirements. Within the International Residential Code (IRC) and the International Building Code (IBC) specific requirements such as: fasteners, flashing, underlayment and slope restrictions are specified for asphalt shingles, wood shingles, wood shakes, slate, concrete roof tile, metal roofs, built-up, modified bitumen, thermoset single-ply, thermoplastic single ply, spray polyurethane foam and liquid applied roof coverings.

OSHA Roofing Safety
Residential Roofing Requirements:

  • Up to 4/12 - (any roof) safety monitor or continuous slide guards along eave.
  • Over 4/12 up to 6/12 - (any roof) continuous slide guards along eave.
  • Over 6/12 up to 8/12 - continuous slide guards along eave and every 8 feet.
  • Over 6/12 up to 8/12 - (Tile or Metal roof) continuous slide guards along eave.
  • Over 8/12 and/or over 25 feet ground to eave height (any roof) - Conventional Fall Protection (Harness and Lanyard, Guardrail or Safety Net System).

Commercial Roofing Requirements:

  • Up to 4/12 - (roof width less than 50 feet) safety monitor.
  • Up to 4/12 - (roof width greater than 50 feet) safety monitor with warning lines 6 feet back from the edge of the roof.
  • Over 4/12 - Harness and Lanyard, Guardrail or Safety Net System.

No Inspections required for Commercial and Residential Re-roofs.

Permit Fees
For associated Building fees, please refer to Appendix B7 Fee Schedule per the Wheaton City Code - Building Fee Schedule.

Contact Us
City of Wheaton Building & Code Enforcement Department:
Address: 303 W. Wesley Street, Wheaton, IL 60187
Phone Calls:
Submittal Questions: 630-260-2050
Commercial Roofing: 630-260-2051
Residential Roofing: 630-260-2053
Business hours: Monday - Friday 8:00 a.m. - 5:00 p.m.
Fax: 630-260-2195 (contractor registrations, certificates of insurance & bonds)

Revised 3/22/2013