Light

ZIP Code 49227

Hillsdale County, Michigan — Allen

20PSF (Ground Snow Load)
LightClassification

What This Means

Hillsdale County, Michigan has a light ground snow load of 20 PSF per ASCE 7-22. At this level, most standard residential roofs are designed to handle the load without issue. However, flat or low-slope roofs should still be checked for drifting and sliding snow.

Snow Load Details

ZIP Code49227
CountyHillsdale
CityAllen
StateMichigan (MI)
Ground Snow Load20 PSF — Light
Classification Range1 - 20 PSF
Data QualityMeasured

Source: ASCE 7-22 ground snow load polygons via ArcGIS

Roof Snow Load Calculator

ASCE 7-22 flat roof formula:  pf = 0.7 × Ce × Ct × Is × pg

Your ground snow load (pg): 20 PSF

Roof Snow Load: 14 PSF

ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.

Hillsdale County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

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Nearby ZIP Codes

49224 25 PSF Moderate 49228 20 PSF Light 49229 20 PSF Light 49230 20 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 49227?

ZIP code 49227 is in Hillsdale County, Michigan, with a ground snow load of 20 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 49227?

With a light ground snow load of 20 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 49227 in?

ZIP code 49227 is in Hillsdale County, Michigan (MI).