The weight of the cladding material (metal, stone, tile, etc.).The studs for these framing systems must be able to withstand: For complex Curtain Wall systems, use our Curtain Wall Sizing Webform to submit to our Tech Team.Ĭurtain Wall Framing Systems support the exterior skin or cladding of commercial and industrial buildings.ClarkDietrich iTools - Structural Stud Lookup Tool.See all design notes on the bottom of the lookup tool and tables. Contact ClarkDietrich Technical Services to help determine spacing of the lateral bracing above the wallboard. If wallboard does not run the full height of the stud, lateral bracing may be required. Limiting heights are based on continuous lateral support (gypsum wallboard) on each flange over the full height of the stud. We do not recommend using L/120 for walls taller than 10 feet.įor example a 10’ wall at L/120 (L = Length in inches, divided by 120) could have a lateral deflection of (10x12/120) = 1" Limiting Heights Some finishes such as tile or thin stone may require a higher deflection limit like L/360 or even L/600. Interior walls typically require a minimum lateral deflection of L/240. Check with your projects Architectural Specifications and/or drawings for the lateral deflection required for a given wall facing material. The required stiffness for the finish material is achieved by the specified deflection limit. Sheathing and Finish materials require a minimum stiffness to prevent cracking. The main purpose of specifying an allowable stud lateral deflection for interior wall framing is actually for determining what is an acceptable deflection for the wall facing materials. Loads of 7.5psf and 10psf are typically used for shaftwalls or interior lobby walls located in floors with multiple exterior doors. Check your projects Architectural Specifications and/or drawings for the minimum design load required. Nonstructural (Non-load bearing) interior walls must be designed to withstand a minimum of 5 psf lateral load (perpendicular to the wall) for interior pressure as required by the International Building Code. Interior nonstructural (non-load bearing) walls calculated in the Structural Stud Lookup Tool and Limiting Height Tables are limited to a superimposed axial load, exclusive of sheathing materials, of not more than 100 lb/ft, or a superimposed axial load of not more than 200 lbs. Typically ProSTUD Drywall Framing is used for interior walls but the use of structural framing may be needed to meet taller requirements. Interior Wall Heights w/ Structural Framing.ClarkDietrich iTools - Structural Stud Lookup Tool.Interior Walls w/Structural Framing (Nonstructural / Non-load bearing) Design Tools: See ClarkDietrich's Product Identification sheet for more on how to identify our products. This framing member is also used in axial load-bearing wall assemblies.ĬlarkDietrich S250 (CSE) members have a 2-1/2" wide flange and a 5/8" return and are used in floor joist assemblies and heavy loading conditions.ĬlarkDietrich S300 (CSS) members have a 3" flange and a 5/8" return and are used in very heavy loading and long spanning conditions. They also provide the vertical strength necessary for demanding load-bearing structural applications and sufficient strength for many joist applications.ĬlarkDietrich S200 (CSW) members a 2" wide flange and a 5/8" return that provides a larger bearing surface for attaching sub-flooring or sheathing materials. S162 members are preferred for most curtain wall applications. All studs are color coded for easy identification.ĬlarkDietrich S137 (CWN) member have a 1-3/8" flange and 3/8" return and are used to support the exterior skin or cladding material (metal, stone, tile, glass, etc.) and the wind loads to which they are subjected.ĬlarkDietrich S162 (CSJ) members have a 1-5/8" flange and a 1/2" return and are considered the industry standard.Standard coating: CP60 (G60, CP90 & G90 available) Per AISI S240.54mil (16ga), 68mil (14ga) and 97mil (12ga) products are produced with 50ksi steel unless otherwise noted.33mil (20ga) and 43mil (18ga) framing products are produced with 33ksi steel.ClarkDietrich studs are made in a variety of flange widths to meet different applications.ĬlarkDietrich iTools - Structural Stud Lookup Tool
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