FMI MM39/44/49VF Outdoor Fireplace User Manual


 
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AppendixII
FIGURE R301.2(3) WEATHERING PROBABILITY MAPFOR CONCRETE
a. Alaskaand Hawaii are classified as severe and negligible, respectively.
b. Lines defining areas are approximate only. Local conditions may be more or less severe than indicated by region classification. A
severe classificationiswhere weather conditions result in significant snowfall combined with extended periods during which there is
little or no natural thawing causing deicing salts to be used extensively.