CSI Code | Short Description | Extended Description |
03500 | Cementitious Decks and Underlayment |
03510 | Cementitious Roof Deck | Cementitious Wood Fiber Plank Gypsum Concrete Roof Deck |
03520 | Lightweight Concrete Roof Insulation | Composite Concrete and Insulation Lightweight Cellular Concrete Lightweight Insulating Concrete |
03530 | Concrete Topping |
03540 | Cementitious Underlayment | Gypsum Underlayment Portland Cement Underlayment |