ADA Compliance Testing
Grab Bar Shear Stress

Chatillon® dynamometers are used verify, validate and test structures and components relative to the American's with Disabilities Act specifications and requirements.

4.26.3 Structural Strength. The structural strength of grab bars, tub and shower seats, fasteners, and mounting devices shall meet the following specification:

  • Shear stress induced in a grab bar or seat by the application of 250 lbf (1112N) shall be less than the allowable shear stress for the material of the grab bar or seat. If the connection between the grab bar or seat and its mounting bracket or other support is considered to be fully restrained, then direct and torsional shear stresses shall be totaled for the combined shear stress, which shall not exceed the allowable shear stress.

Other Compliance Tests

AMETEK TCI Division • Chatillon Force Measurement Systems
8600 Somerset Drive • Largo, Florida 33773 • United States of America
Tel +1-727-536-7831 • Tel +1-800-527-9999 (USA Only)