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Aspen Colorado Roofing Codes
Here are the Aspen Colorado roofing codes. Note there are special permits required for snowmelt roof alterations, however, there are no wind nailing requirements.
Information Updated On
9/1/18
Building Department Phone
970.920.5450
Inspection Line
970.920.5448
Permits
970.920.5090
Fax
970.920.5439
Current Building Code
2015 IBC/IRC
Current Energy Code
2015 IECC
Requires a Building Permit
Yes
Other/Special Permits required
Yes, if any alterations are made to the roof and for snow melt.
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
Special conditions
Class B fire retardant wood shakes/shingles
Requires wind nailing
No
Inspectors carry ladders for the final
No
Maximum number of layers of asphalt shingles permitted
2 layers
Maximum number of layers of flat roof material permitted
2 layers
Require a sheathing/decking inspection
If more than 100 square feet is being replaced
Requires solid sheeting (plywood/OSB) over spaced decking
Yes
Minimum gap size for sheeting
Any gap at all
Requires drip edge
Yes
Drip edge size minimum
2×2
Requires Rake/Gable metal edging
No
Enforces the use of Self Adhering Underlayment (i.e., Ice & Water)
Yes
Distance inside warm wall
36” inside of the heated wall
Underlayment required 2:12 up to 4:12
19” overlap of 15 pound
Underlayment required for 4:12 and above
15 pound
Type of valleys allowed
Both
Valley Underlayment/Material required for closed valleys
Ice and water
Kick-out required on Step Flashing
Yes
Minimum curb height requirement
No
Chimney crickets requirement
30” or greater width
Requires ridge cap
Yes
Requires ventilation to meet building codes
Yes
Requires blower door test when increasing ventilation to code
No
Requires Soffit eave/vents
No
