Bennett Colorado Roofing Codes
The Bennett Colorado roofing codes are listed here. There is an energy code requirement based on 2012 specs, and the wind nailing per-tile requirement is higher than other cities.
Information Updated On
9/1/18
Building Department Phone
303.644.3249 ext 1012
Inspection Line
303.774.4472
Fax
303.644.4125
Current Building Code
2012 IBC
Current Energy Code
2012 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 A
Roof System/Fire Rating required for Multi-Family
Class C
Minimum sustained wind speed rating for Asphalt Shingles
90 MPH
Requires wind nailing
Yes, per manufacturer guidelines or 6 nails per tile, whichever is greater.
Inspectors carry ladders for the final
No
Requires midroof (in progress) inspection
Mid-roof inspection required on tile roofs
Maximum number of layers of asphalt shingles permitted
Two layers allowed
Maximum number of layers of flat roof material permitted
Two layers allowed
Require a sheathing/decking inspection
Yes
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
Overlapped a minimum of 2” and extending a minimum of ¼” below sheathing and up the roof deck a minimum of 2”
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#
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
Chimney crickets requirement
24” or greater width
Requires ridge cap
Yes
Requires ventilation to meet building codes
Yes
Requires Soffit eave/vents
Yes