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Aurora Colorado Roofing Codes

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Aurora Colorado Roofing Codes

Here are things you need to know about the City of Aurora Colorado roofing codes. Note that wind nailing is required, and there is a minimum sustained wind speed rating requirement on asphalt shingles.

Information Updated On


Building Department Phone


Inspection Line




[email protected]

Department Website

Informational Handout

Current Building Code

2015 International Building Code (IBC)

Current Energy Code

2015 International Energy conservation Code (IECC)

Requires a Building Permit


Minimum sustained wind speed rating for Asphalt Shingles

100 mph 3 second gust wind speed or 85 mph fastest mile wind speed

Requires wind nailing


Inspectors carry ladders for the final

Ladder with access to all roof levels must be provided for all inspections.

Requires midroof (in progress) inspection;

Mid roof inspection required for clay and concrete tile and metal panel roofs. This inspection should be done after base felt, flashing, and the batten system have been installed but before the installation of tile or metal panels.

Maximum number of layers of asphalt shingles permitted

One, all layers of roofing must be removed prior to the installation of a new roof.

Requires drip edge


Requires Rake/Gable metal edging


Enforces the use of Self Adhering Underlayment (i.e., Ice & Water)

Yes per IRC Code

Underlayment required 2:12 up to 4:12

Two (2) ples of Type 15 or 30 base felt lapped 19 inches

Underlayment required for 4:12 and above

Cedar Shakes: (Minimum slope of 4:12 or 3:12 for wood shingles)

18 inch Type 30 felt laced in between each course of shakes and a underlayment of a single ply Type 30 felt required

Clay and Concrete Tile:

2 plies of base felt minimum of Type 30 or better lapped 19 inches or a single ply of 90 pound granulated rolled roofing.

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