Adams County
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| This information was last updated | 2018-11-11 |
| Building Department Phone | 720-523-6825 |
| Inspection Line/Hotline Phone | 720-523-6320 |
| Fax | 720-523-6967 |
| Building Department Website | http://www.adcogov.org/building-safety |
| Informational Handout | Handout |
| Current Building Code | 2012 IBC/IRC |
| Intends to update Code in the future. | 2018, soon |
| Current Energy Code | 2006 |
| Intends to update Energy Code in the future. | |
| Requires a Building Permit | Yes |
| Other/Special Permits required | See website for Commercial Roofing Requirement Handout |
| Roof System/Fire Rating required for Residential Dwellings | |
| Roof System/Fire Rating required for Commercial Buildings | |
| Roof System/Fire Rating required for Multi-Family | |
| Special conditions | Roof material varies based off type of construction and occupancy per code |
| * Minimum designed wind speed rating | |
| * ASTM Standard for wind rating | ASTM D 3161 |
| * Requires a manufacturer's wind warranty on steep slope roofing | |
| * Requires wind nailing |
Yes - If specified by Manufacturer |
| * Refer to municipality's current code and amendments. | |
| Inspectors carry ladders for the final | No - All ladders are required to be setup and secured in accordance with OSHA by the permit holder or contractor |
| Requires pre-job inspection | |
| Requires midroof (in progress) inspection | No |
| Requires final inspection | |
| Other inspection information |
* Only if replacing deck |
| Maximum number of layers of asphalt shingles permitted | Or in accordance with Manufacturer |
| Maximum number of layers of low slope material permitted | |
| Require a sheathing/decking inspection | Yes - Prior to installing underlayment/roofing materials |
| Requires solid sheeting (plywood/OSB) over spaced decking | Yes |
| Maximum gap size for sheeting | Any gap at all |
| Requires drip edge |
Yes |
| Drip edge size minimum | 2 x 2 |
| Requires Rake/Gable metal edging Gable metal is installed in addition to drip edge and is used to protect the vertical fascia from rotting. |
Yes |
| Requires the use of Ice Dam Protection Membrane (i.e., Ice & Water) | No |
| Distance inside warm wall | |
| Underlayment required 2:12 up to 4:12 | |
| Underlayment required for 4:12 and above | 15# |
| Type of valleys allowed | Both |
| Valley Underlayment/Material required for closed valleys (Self Adhering, Mineral or Either) |
Or per manufacturer |
| Valley Underlayment/Material required for open valleys (Self Adhering, Mineral or Either) |
|
| Kick-out required on Step Flashing | |
| Minimum curb height requirement | Yes - 6"" min - |
| Chimney crickets requirement |
- - |
| Requires positive drainage | Yes |
| Requires ventilation to meet building codes | Yes |
| Permits Soffit/Eave vents | Yes |
| Allows rolled roofing (mineral surface) on low slope heating living space | Yes |
| Low slope | 1.5/12 - 2/12 |
| Special residential insulation code requirements | |
| Special commercial insulation code requirements |