Lateral Nail Resistance for Ten Common Sheathing Materials

The lateral resistance of fasteners is the controlling property governing racking strength and stiffness of light-frame walls. Composite action in floors, walls, and roofs also depends upon fastener stiffness. The objective of this study was to develop lateral nail resistance data for some of the most commonly used wall sheathing materials. Sheathing materials tested include plywood, flakeboard, hardboard, and gypsum board. Comparison of cycled versus uncycled loading showed no appreciable difference in strength. Characterization of the load-slip relation by a linear slip modulus is shown to be sensitive to choice of slip level and highly subjective. The results of this study should be useful in helping researchers plan the scope of future studies by identifying the need to focus on a specific slip region before attempting to define a slip modulus.

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