<html><head></head><body><div class="yahoo-style-wrap" style="font-family:verdana, helvetica, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false">I am trying to create a lofted glass roof held up by hollow steel beams (a nifty atrium in a swimming pool area at a condo complex !!). But I am no information on a hollow steel beam (about 2 x 4). Hollow.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Any suggestions ??</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">John Aulbach</div></div></body></html>