In article , Rick Hughes
wrote:
It is unfair to compare the stiffness of one TJI beam against a
joist, TJI beams are designed with a complete homogenous floor
system ... i.e. Silent Floor

And I have absolutely no problem with them being used for such. I
am totally unconvinced that a single TJI is a suitable substitute
for a steel beam supporting a masonry wall over.

--
Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
Free SEDBUK boiler database browser
http://www.sda.co.uk/qsedbuk.htm