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4155 E Jewell
Ave #1100,
Denver, CO 80222 -
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Castle Rock Colorado Roofing Codes
The Castle Rock Colorado roofing codes are listed below. There is no roofing code requirement for soffit eaves and vents. Note that the shingle wrapping package must be provided to the roof inspector during the midroof inspection.
Information Updated On
9/1/18
Building Department Phone
720.733.3572
Fax
720.733.2207
Current Building Code
2012 IBC/IRC
Current Energy Code
2012 IECC
Requires a Building Permit
Yes
Roof System/Fire Rating required for Residential Dwellings
Class A
Minimum sustained wind speed rating for Asphalt Shingles
90 MPH sustained/100 MPH 3 second gusts
ASTM Standard for wind rating
D 3161 Class F
Inspectors carry ladders for the final
No
Requires midroof (in progress) inspection
Yes, and a package of shingle wrapping with manufacturer specs must be provided at the time of inspection.
Maximum number of layers of asphalt shingles permitted
One layer
Maximum number of layers of flat roof material permitted
One layer
Requires solid sheeting (plywood/OSB) over spaced decking
No
Requires drip edge
Yes
Drip edge size minimum
Must cover sheathing
Requires Rake/Gable metal edging
Yes
Enforces the use of Self Adhering Underlayment (i.e., Ice & Water)
No
Type of valleys allowed
Both
Kick-out required on Step Flashing
Yes
Requires ventilation to meet building codes
Yes
Requires Soffit eave/vents
No




