This category, Masonry Units, contains sites related to the Construction Specification Institute (CSI) numbered area for Division 4, Masonry, which includes:
  • 04210 Clay Masonry Units
  • 04220 Concrete Masonry Units
  • 04230 Calcium Silicate Units Masonry
  • 04270 Glass Masonry Unit
  • 04290 Adobe Masonry Unit

Subcategories 3

[Mozilla Drawing]
Last update:
August 16, 2016 at 5:24:05 UTC
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