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Denver Colorado Roofing Codes

NOTE: The Roofing Codes listed below change from time to time. We do our best to keep up with the changes, and these codes might not be completely up to date. This is meant to be used to provide a shortcut and helpful information. This information is not definitive. Denny’s Roofing cannot be held responsible if the building code is different from what is listed on this page. There should be a link in the material that will give you a hotlink to the local Building Department website. We highly recommend doing your own due diligence to be 100% accurate.

Glossary of Colorado Roofing Codes Terms

Code Year

2021

Mid-Roof

Some cities require an inspection after torn off, before new roof put on.

No unless flat roof or commercial.

One Square Rule

Do they require full roof replacement once 100 sq ft of storm damage?

No

I&W

Is it required on the eaves?

No

Drip Edge

Is it required or not?

Yes

High Wind Area

Do they allow 3 tab or not? DOUBLE CHECK WITH BUILDING DEPT!

ASTM D 7158

Sheathing

Do they require solid sheathing? DOUBLE CHECK WITH BUILDING DEPT!

If gaps more than 1/2″ then requires a redeck.

Inspection Ladder

Is Contractor required to provide inspection ladder?

Yes

Local City/County Roofing Code Links

It’s recognized that its not possible to show all rules and regs in all cases when re-roofing. Questions? Check with local Building Department for specifics.

Roofing Guidelines

Denver Building and Fire Code

Local City/County Building Department Website

Construction Inspections

Building Department- Code Questions

Andrew: 303-644-3249 ext 1032