Need a book? Engineering books recommendations...

Return to index: [Subject] [Thread] [Date] [Author]

Re: Joist Tag Designations

[Subject Prev][Subject Next][Thread Prev][Thread Next]
I don't believe there was any standardization of joist tags among
manufacturers...........they are all different. I would venture a guess that
the 2109 is the joist manufaturer's project number and the J-13 is the joist
mark corresponding to the erection drawing.

Jim Kestner, P.E.
Green Bay, Wi.

Zachary Goswick wrote:

> I have to check a joist built in 1961 to see if it can support some
> additional loading.  The joist tag said "18J72109J-13."  I know what the
> 18J7 means, can anybody enlighten me as to what the other numbers mean?
> Or possible direct me where to look?  Thanks.
> Zachary Goswick
> Angus-Young Associates, Inc.
> 555 South River Street
> Janesville, WI  53545-4827
> Phone: (608)756-2326
> Fax: (608)756-0464
> zachg(--nospam--at)