Our Certifications & Accreditations
Berthoud Colorado Roofing Codes
The Berthoud Colorado roofing codes are provided here. There is a requirement for a manufacturer wind warranty for steep slope roofs in Berthoud.
Information Updated On
9/1/18
Building Department Phone
970.532.2643
Permits
970.344.5808
970.532.0640
Fax
970.532.0640
Current Building Code
2012 IBC/IRC
Current Energy Code
2015 IECC
Requires a Building Permit
Yes
Minimum sustained wind speed rating for Asphalt Shingles
110 MPH to 130 MPH based on location
ASTM Standard for wind rating
D 7158, Class G or H
Requires a manufacturer’s wind warranty
Yes, for steep slope roofing
Requires wind nailing
Yes
Inspectors carry ladders for the final
No
Requires midroof (in progress) inspection
No
Maximum number of layers of asphalt shingles permitted
2 layers
Maximum number of layers of flat roof material permitted
1 layer
Require a sheathing/decking inspection
No
Requires solid sheeting (plywood/OSB) over spaced decking
Yes
Minimum gap size for sheeting
3/8” gap
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 30#
Underlayment required for 4:12 and above
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
30” or greater width
Requires ridge cap
Yes
Requires ventilation to meet building codes
Yes
Allows 90 lb rolled roofing on low slope heating living space
Yes, but it is not recommended. Must have modified bitumen underlay with matching shingles.
