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Broomfield Colorado Roofing Codes
Broomfield Colorado Roofing Codes
Here are the Broomfield Colorado roofing codes. The current energy code is based on 2015 criteria. There is a manufacturer wind warranty requirement for all Broomfield roof replacements.
Information Updated On
1-15-20
Building Department Phone
303.438.6370
Inspection Line
303.438-6376
Permits
303.438.6370
Fax
303.438.6207
Please check Codes Locally as some codes may have changed since this page was last updated
Current Building Code
2015 IBC/IRC
Current Energy Code
2015 IECC
Requires a Building Permit
Yes
Roof System/Fire Rating required for Residential Dwellings
Class C
Roof System/Fire Rating required for Commercial Buildings
Class C
Roof System/Fire Rating required for Multi-Family
Class C
Minimum sustained wind speed rating for Asphalt Shingles
110 MPH 3 second gusts
ASTM Standard for wind rating
D 3161 class F or D 7158 Class H or G
Requires a manufacturer’s wind warranty
Per manufacturer
Requires wind nailing
Yes
Inspectors carry ladders for the final
No
Requires midroof (in progress) inspection
A mid-roof affidavit is required. A mid-roof inspection can be requested in lieu of this document.
Maximum number of layers of asphalt shingles permitted
One
Maximum number of layers of flat roof material permitted
One
Require a sheathing/decking inspection
No
Requires solid sheeting (plywood/OSB) over spaced decking
Yes
Minimum gap size for sheeting
¼” gap
Requires drip edge
Yes
Drip edge size minimum
2 x 4
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
Double layer of 15# with 19” overlap
Underlayment required for 4:12 and above
Single layer of 15#
Type of valleys allowed
Both
Valley Underlayment/Material required for closed valleys
Either
Valley Underlayment/Material required for open valleys
Either
Kick-out required on Step Flashing
Yes
Minimum curb height requirement
4”
Requires ridge cap
Yes
Requires ventilation to meet building codes
Yes
Requires Soffit eave/vents
Yes, on new construction only
