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Colorado Springs, CO Frost Depth & Snow Load: Roof Snow Load (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Below 7,000 feet
Flat roof snow load 30 psf uniform
At or above 7,000 feet
Flat roof snow load 40 psf uniform
Published directly
Yes, not derived from the ground snow load
Unbalanced loads
Must be accounted for in all directions
Code enforced
2023 Pikes Peak Regional Building Code with the 2021 I-Codes

Summary

The flat roof snow load in Colorado Springs is 30 psf below 7,000 feet and 40 psf at or above it, published as a uniform value rather than left to be calculated.

Grade plane — Below 7000': Flat roof snow load - Pf : 30 psf uniform. At or above 7000': Flat roof snow load - Pf : 40 psf uniform. Design factors — Exposure Factor Ce : 1.0. Thermal Factor Ct : 1.0. [U]nbalanced loads ... all directions shall be accounted for when establishing unbalanced loads.

View official code

Official source re-checked September 8, 2026: the cited page had not changed since it was quoted.

Full Breakdown

Unlike most Colorado jurisdictions, the Pikes Peak Regional Building Code publishes the flat roof snow load directly instead of requiring it to be derived from the ground snow load. Below 7,000 feet the flat roof snow load is 30 psf uniform; at or above 7,000 feet it is 40 psf uniform. Both are banded on the same elevation threshold as the ground snow load, and both are given as uniform values. Publishing the roof figure removes a step and removes the argument that goes with it, but it does not remove the need to consider unbalanced conditions: the code requires that unbalanced loads be accounted for in all directions. The design factors that would otherwise drive the conversion are fixed at an exposure factor of 1.0 and a thermal factor of 1.0.

Violations & Fines

Enforced at plan review. The flat roof figure is a uniform load and does not by itself dispose of drifting or unbalanced loading, which must still be accounted for in all directions. Applying the ground snow load figure where the flat roof value belongs, or carrying the lower-band value onto a site above 7,000 feet, are the two substitutions to watch for.

Frequently Asked Questions

What flat roof snow load applies in Colorado Springs?
30 psf uniform below 7,000 feet and 40 psf uniform at or above it. The regional code publishes both figures directly.
Is the roof load the same as the ground snow load?
No. They are separate values banded on the same elevation threshold: the ground snow loads are 43 and 57 psf, the flat roof loads 30 and 40 psf.
Does the published figure cover snow drifting?
No. It is a uniform load, and the code separately requires that unbalanced loads be accounted for in all directions.

Sources & Official References

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