Architectural · A-NXADD

Backing Plate Type B

Materials

Elements

Walls Doors Railings / Guards Millwork / Casework Connections / Plates Reinforcing

About this detail

A Type B wall backing plate assembly within a light-gauge metal framing system consists of a six-inch, sixteen-gauge deep leg runner track notched around continuous stud flanges. The assembly uses three number ten pan head sheet metal screws per stud for Type A backing plate connections. The vertical studs are a minimum of three and five-eighths inches, specified as twenty gauge for studs up to ten feet six inches high, and sixteen gauge for studs over ten feet six inches high. Type B1 backing plates span one stud bay for lightweight items under fifty pounds, while Type B2 backing plates span two stud bays minimum for heavier fixtures and handrails up to one hundred pounds per linear foot.

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