![]() ![]() SECTION 2505 SHEAR WALL CONSTRUCTION Resistance to shear (wood framing). ![]() The minimum thickness of vertically erected studless solid plaster partitions of 3 / 8 - inch (9.5 mm) and 3 / 4 -inch (19.1 mm) rib metal lath, 1 / 2 - inch-thick (12.7 mm) gypsum lath, gypsum board or gypsum panel product shall be 2 inches (51 mm). Exception: The minimum nominal dimension of wood furring strips installed over solid backing shall be not less than 1 inch by 2 inches (25 mm by 51 mm) Studless partitions. Wood supports for lath, gypsum board or gypsum panel products, as well as wood stripping or furring, shall be not less than 2 inches (51 mm) nominal thickness in the least dimension. ![]() The following requirements shall be met where construction involves gypsum board, gypsum panel products or lath and plaster in vertical and horizontal assemblies Wood framing. Lath, gypsum board and gypsum panel products shall be inspected in accordance with Section SECTION 2504 VERTICAL AND HORIZONTAL ASSEMBLIES Scope. The following terms are defined in Chapter 2: CEMENT PLASTER. Other approved wall or ceiling coverings shall be permitted to be installed in accordance with the recommendations of the manufacturer and the conditions of approval. Lathing, plastering, gypsum board and gypsum panel product construction shall be done in the manner and with the materials specified in this chapter and, when required for fire protection, shall also comply with the provisions of Chapter Other materials. Provisions of this chapter shall govern the materials, design, construction and quality of gypsum board, gypsum panel products, lath, gypsum plaster, cement plaster and reinforced gypsum concrete Performance. 1 CHAPTER 25 GYPSUM BOARD, GYPSUM PANEL PRODUCTS AND PLASTER User note: Code change proposals to this chapter will be considered by the IBC Structural Code Development Committee during the 2016 (Group B) Code Development Cycle. ![]()
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