The Palmer Divide changes the math
The Palmer Divide catches heavier and more frequent snowfall than the lower parts of the county — around 38 inches a season, with March typically the snowiest month. Snow that sits, melts, soaks into the base and refreezes is the exact mechanism that heaves a slab. It is why base depth, a geotextile separator and a compacted gravel layer are not upsells in Monument; they are the reason the patio is still flat in five years.
