Alternative Deck Footing Product, Diamond Pier, Releases 10-year Study Examining Frost Heave Performance
Pro Builder
DECEMBER 3, 2020
Additionally, since there is no ASTM testing methodology for foundation systems in freezing conditions, so the building code industry relies upon observational evidence as the basis for deriving a reasonable standard of performance for a given frost zone depth. The study included all warranty claims in the designated area from 2009 to 2019.
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