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
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.