All the specifics about Brighton Colorado roofing codes are listed here. Note the current energy code requirement is based on 2006 criteria, and there is a ladder requirement for roof inspectors.

Information Updated On

8/22/18

Building Department Phone

303-655-2017

Inspection Line

303-655-2151

Fax Line

303-655-2053

Permits

303-655-2017

Department Website

Informational Handout

Current Building Code

2012 IBC/IRC

Intends to update code in the future

Yes, in 2018

Current Energy Code

2006 IECC

Requires a Building Permit

Yes

Roof System/Fire Rating required for Residential Dwellings 

Shakes and wood shingles require a minimum Class A rating. All other roof coverings are required to have a minimum Class C fire rating.

Minimum sustained wind speed rating for Asphalt Shingles

90 MPH sustained/110 MPH 3 second gusts

Inspectors carry ladders for the final

Ladder needs to be in place and secured to the roof with a minimum extension of three feet for mid-roof and final inspections.

Requires mid-roof (in progress) inspection

Yes

Maximum number of layers of asphalt shingles permitted

1 overlay is permitted over an existing asphalt roof.

Require a sheathing/decking inspection

Yes, commercial only

Requires solid sheeting (plywood/OSB) over spaced decking

Yes

Minimum gap size for sheeting

¼ inch gap

Requires drip edge

Yes

Requires Rake/Gable metal edging

Yes, 3/8” to ½” minimum shingle overhang is required

Enforces the use of Self Adhering Underlayment (i.e., Ice & Water)

No

Underlayment required 2:12 up to 4:12

Type 15 asphalt saturated felt in a grid pattern of 12” between side laps with a 6” spacing at the side laps.

Type of valleys allowed

Both

Valley Underlayment/Material required for closed valleys

90#

Kick-out required on Step Flashing

Yes