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Northglenn Colorado Roofing Codes
Northglenn Colorado Roofing Codes
Northglenn Colorado roofing codes are listed here for roof repair and roof replacements for homes and businesses in Northglenn. Roofing contractors in Denver and hail damage roof inspectors are knowledgeable about Colorado roofing codes.
Information Updated On
1-10-20
Building Department Phone
303-450-8745
Inspection Line
303-450-8748
Fax
303-280-0878
Please check Codes Locally as some codes may have changed since this page was last updated
Current Building Code
2009 IBC/IRC
Current Energy Code
2009 IECC
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 designed wind speed rating
Wind Exposure Category “B”
ASTM Standard for wind rating
ASTM D 3161 F
Requires a manufacturer’s wind warranty
No
Requires wind nailing
Yes, per manufacturer requirements
Inspectors carry ladders for the final
No
Requires midroof (in progress) inspection
Yes, all roofs except asphalt shingle roofs require mid-roof inspection
Require a sheathing/decking inspection
No
Requires solid sheeting (plywood/OSB) over spaced decking
Yes
Maximum gap size for sheeting
½ inch gap
Requires drip edge
Yes
Drip edge size minimum
Rake metal, only if exposed sheathing
Requires Rake/Gable metal edging
No
Enforces the use of Self Adhering Underlayment (i.e., Ice & Water)
No
Underlayment required for 4:12 and above
#15
Type of valleys allowed
Both
Valley Underlayment/Material required for open valleys
Metal, or two plies of rolled
Kick-out required on Step Flashing
Yes
Requires ridge cap
Yes
Requires Soffit eave/vents
Yes, new construction only
Allows rolled roofing on low slope heating living space
Yes
Low Slope
2:12
