These are the Englewood Colorado roofing codes. Note that the code enforces the use of self-adhesive underlayment to protect against ice and water seepage.

Information Updated On

9-23-2018

Building Department Phone

303-762-2356

Fax

303-762-2362

Department Website

Informational Handout

Current Building Code

2015 IBC/IRC

Requires a Building Permit

Yes

ASTM Standard for wind rating

D-3161

Inspectors carry ladders for the final

Yes, with one story access

Requires final inspection

Only required for shake roof

Maximum number of layers of asphalt shingles permitted

One layer

Maximum number of layers of flat roof material permitted

One layer

Requires solid sheeting (plywood/OSB) over spaced decking

Yes

Requires drip edge

Yes

Drip edge size minimum

1 x 2

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

Yes

Underlayment required for 4:12 and above

15#

Type of valleys allowed

Both

Requires ventilation to meet building codes

Yes, per code

Permits Soffit eave/vents

Yes