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4155 E Jewell
Ave #1100,
Denver, CO 80222 -
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Lyons Colorado Roofing Codes
The Lyons Colorado roofing codes are strictly adhered to by hail damage roof inspectors and qualified roofing contractors in the Front Range area. Note the current building code follows 2015 IBC standards.
Information Updated On
1/2/19
Building Department Phone
303-823-6622
Inspection Line
800-314-7029
Permits
303-823-6622 ext. 10
Current Building Code
2015 IBC
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
Requires wind nailing
Yes
Inspectors carry ladders for the final
No
Maximum number of layers of asphalt shingles permitted
One
Maximum number of layers of flat roof material permitted
One
Requires solid sheeting (plywood/OSB) over spaced decking
Yes
Requires drip edge
Yes
Requires Rake/Gable metal edging
Yes
Enforces the use of Self Adhering Underlayment (i.e., Ice & Water)
NO
Underlayment required 2:12 up to 4:12
19” Overlap of 15#
Requires ventilation to meet building codes
Yes




