Information About Floor Performance

Perceptions of unacceptable dynamic floor motion have challenged designers, contractors, and material suppliers for many years. Normal working loads, usually from the movement of occupants, sometimes result in floor motions considered annoying by other occupants. This can occur even on floors where structural design loads are extremely large compared to the forces generated by a person walking. Conforming to the static deflection criteria, as dictated by building codes, does not eliminate this potential problem.

For more information about the Trus Joist TJ-Pro™ Rating System that provides a means to evaluate the balance between floor performance and cost see this brochure.

For more information including factors that affect floor performance, ways to improve floor performance, and more, see Technical Bulletin TB-104.


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