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Roof Requirements

Roofing Requirements for Clear Creek County
Current Code edition: 2015 IRC and IBC

If decking is being replaced, must be inspected.

New roof must be Class A rated material or Class A rated assembly, must submit rating documentation.

Mid-roof inspection is required at the point that drip edge, other required flashing, underlayment, Ice barrier have been installed.


Telephone #

303-679-2300 x 343

Max # of layers

Remove all layers

Minimum Wind speed

100 MPH and 110 MPH

Re Roof W/ Shakes?


Ice Barrier

Yes  (minimum 24” from exterior wall line)

Mid Roof Inspection?


Ladder required


High Wind Nail

Per Code

Underlayment Required

Per Code

Drip Edge Required

Yes  (eave and rake)

Valley Size Minimum

Per Code

Valleys Open / Closed / Both

Per Code

Valley Material Required Metal / 90 lb / Either

Per Code

Plywood Required Over Decking & Specs

Per Code