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  6. Masonry Units  45 Sites
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
Categories
Clay Units
18 Sites Concrete Units
20 Sites
Glass Units
7 Sites
This directory is made available through a Creative Commons Attribution license from the DMOZ Organization.

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