specifically, 3 1/4 x 7 1/4 , 20' long. The load will be two posts, each one 5' from the ends of the beam.
Rich
08-10-2004, 02:16 PM
Sorry about not answering this earlier.. been missing quite a few posts lately.
Here's a decent span table for glulams.
http://www.apawood.org/pdfs/managed/S475.pdf