Interior black-framed metal and glass door

Steel Doors · Denver, Colorado

Steel Doors in Denver.

Altitude UV is a harder test on a black steel finish than the same sun at sea level, a detail most Denver buyers learn only after a standard coating starts chalking early.

In short

A black steel door needs a genuine thermal break to survive Denver's cold without frosting or condensing on the inside face, and a UV-stable coating to hold its finish at altitude. Crateworks specs both, or swaps to aluminum for the same sightline with less coating upkeep.

Built for Denver’s climate

Denver's cold is the real design constraint for a steel door here, more than moisture. A steel frame without a proper thermal break conducts cold straight through, which shows up as condensation or frost on the interior face on the coldest days, and a raw or lacquered finish can also take a beating from the stronger UV at altitude over time. A true thermal break closes the first problem, and a UV-stable powder coat closes the second. Where a client wants the same black-frame sightline with neither concern to manage, we spec aluminum instead: same look, different metal.

Climate zone
5B cool-dry
Best time to spec
spring through fall
What we plan for
high-altitude UV, snow load, and freeze-thaw swings

Why it suits Denver

Freight into the Front Range rides from the Ports of Los Angeles and Long Beach on a genuine multi-day rail leg, so ordering ahead of Denver's spring-through-fall build window is what keeps a custom frame on schedule, not a last-minute call. Factory-direct sourcing is what puts the UV-stable coating, or the aluminum swap, on the same number a dealer's standard finish would have cost.

Container-direct delivery into the Denver Front Range.

How it ships to Denver: Freight lands at the Ports of Los Angeles and Long Beach and rails to the Front Range, a multi-day transcontinental leg, so ordering ahead of the spring build window absorbs it.
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How it works

  1. 01

    Send your scope

    Drawings, a materials list, or a rough idea. No account, no obligation. Just tell us what the project needs.

  2. 02

    We source & spec

    We match products to your climate and local code, then price them factory-direct from vetted suppliers, not off a distributor's shelf.

  3. 03

    One delivered quote

    The whole schedule comes back as a single coordinated quote, delivered to Denver. One order, one point of contact.


One source for the whole project

Building the whole windows & doors in Denver?


Common questions

Not with the right thermal break. A steel frame without one conducts cold straight through and can frost or sweat on the interior face; we spec the break to prevent it, or swap to aluminum entirely.
We spec a UV-stable powder coat for exactly that reason. Altitude UV is harder on a finish than the same sun at sea level.
That is the default. Steel and glass doors are quoted to your exact opening height, width, and mullion pattern through /brief, not pulled from a size chart.
Mostly the coating and the thermal break together. The UV load and the wide day-to-night temperature swing here are what we spec the finish and seal system against, more than elevation itself changing the door's engineering.

Nearby: Dallas · Phoenix · Seattle

Spec steel doors for Denver.

Send drawings or a rough scope. We quote the Denver delivered price, all-in.