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4155 E Jewell
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Town of Superior Colorado Roofing Codes
The Town of Superior Colorado Roofing Codes are used by Denver roofing contractors and hail damage roof inspectors for residential roof repair and replacement and commercial roof repair and replacement in the Front Range area. Note that the building codes are based on 2012 specifications.
Information Updated On
1/3/19
Building Department Phone
303-381-2028
Fax
303-499-1340
Current Building Code
2012 IRC/IBC
Current Energy Code
Yes
Requires a Building Permit
Yes
Roof System/Fire Rating required for Residential Dwellings
Class A
Roof System/Fire Rating required for Commercial Buildings
Class A
Roof System/Fire Rating required for Multi-Family
Class A
Minimum sustained wind speed rating for Asphalt Shingles
90 MPH
ASTM Standard for wind rating
ASTM D 3161 Class F, D 7158 Class H
Requires a manufacturer’s wind warranty
110 MPH manufacturer warranty
Inspectors carry ladders for the final
No
Requires midroof (in progress) inspection
Yes, at 100% druy in and 25% shingles
Maximum number of layers of asphalt shingles permitted
2 layers with structural engineer letter
Maximum number of layers of flat roof material permitted
One layer, 2 layers with structural engineers letter
Requires solid sheeting (plywood/OSB) over spaced decking
Yes
Minimum gap size for sheeting
Per code minimum
Requires drip edge
Yes
Drip edge size minimum
1×2 – 2×4 reccomended
Requires Rake/Gable metal edging
Yes
Enforces the use of Self Adhering Underlayment (i.e., Ice & Water)
Yes
Distance inside warm wall
24” inside heated wall
Underlayment required for 4:12 and above
15# – >4:12 2 layers of 15#
Type of valleys allowed
Both
Valley Underlayment/Material required for closed valleys
Ice and water
Valley Underlayment/Material required for open valleys
Ice and water under metal
Kick-out required on Step Flashing
Yes
Minimum curb height requirement
No
Requires ridge cap
Yes
Requires ventilation to meet building codes
Yes – per IRC 806.2
Requires Soffit eave/vents
Yes
Allows 90 lb rolled roofing on low slope heating living space
Yes
Low Slope
1:12




