All roofing systems will be inspected to the 2012 International Codes and the manufacturer’s installation specifications. Douglas County does not require roofing materials or the attachment of roofing materials to meet high wind or severe climate conditions.
Roof systems shall not exceed 600 lbs per 100 sq ft. without analysis by a Colorado registered Professional Structural Engineer.
Roofing inspections requested before 3:30 p.m. will be performed the following business date from the date of the inspection request, understanding that workload and or severe climate conditions could delay the inspection process. Mid-roof inspections will be performed within 24-hours of the requested inspection. A Mid-roof inspection is required on tile, slate or any roofing material that requires the use of battens.
Wood shakes and wood shingles are not permitted in red zones identified on the Wildfire Hazard District Overlay Map. Where permitted, all wood shakes or wood shingles shall be minimum Class “C” fire resistance rated. Proof of the Class “C” fire resistance rating must be provided for the inspector at the time of inspections (tags on shingles or shakes, purchase order, etc.)
- Please see the General Requirements section on the Roofing Permit application for additional installation requirements, Roof Flashing for Shingle Roofs, Kick- Out Flashing Detail for Re-roofs, and the Douglas County Roofing Packet.
Basic Roofing Permits may be submitted online if it is a residential roofing permit, the existing roof type is asphalt composition or masonite product or metal and the replacement roof type must be asphalt composition or metal. View Douglas County Roofing Fees.
**The permit holder shall provide a ladder, secured for safe access to the roof, on the day the inspection is requested to be performed. **
Do I need a permit for roof repairs?
For minor repairs or replacing less than one (1) roofing square (100 square feet) of the roof, a permit is not required.
What inspection(s) need to be scheduled for my roofing permit?
- Roofing – Final Inspection, required for all roofing permits.
- Drip Edge – A Drip Edge inspection is required for asphalt/composition roofing materials.
- MidRoof – A Mid-roof inspection is ONLY required for tile, slate, stone coated, steel or any roofing system that requires the use of battens. This inspection is to be performed when the roof is 25 to 50 percent complete. DO NOT proceed beyond 50 percent complete until the inspection is performed.
Do your roofing inspectors carry ladders?
No, the permit holder shall provide a ladder, secured for safe access to the roof, on the day the inspection is requested to be performed.
What is the maximum number of layers of asphalt shingles permitted?
One layer is permitted. Asphalt shingled roofs shall not be overlaid with an additional layer of asphalt shingles.
What is the minimum wind speed rating for asphalt shingles in Douglas County?
Asphalt singles shall be listed in accordance with ASTM D 7158:
The minimum speed wind rating for asphalt shingles for elevations 7000 feet or less shall be 90 mph Class D.
The minimum wind speed rating for elevations above 7,000 feet shall be 120 mph Class G
Are cedar shake re-roofs permitted
Yes, but only in designated areas and shall be minimum Class “C” fire resistive . Wood shakes and wood shingles are prohibited within the boundaries of the Wildfire Hazard Overlay District.
Is an ice barrier required at the eaves?
Ice barrier underlayment is required for elevations above 7,000 feet. Ice barrier shall extend from the lowest edge of all roof surfaces to point at least 24 inches inside the exterior wall line of the building.
Is drip edge flashing required on the eaves and rakes?
Yes, minimum size 4 inches by 2 inches on eaves and 2 inches by 1 inch or D style edge metal on rakes.
Does Douglas County require high wind nailing?
Yes, but only in areas above elevations of 7,000 feet.