I'm working on a garage design. For a span greater than 9 feet, our local
code requires two 2x12s sandwiched around a 1/8" steel flitch plate. I'm
curious where one would obtain a 17-18' long steel plate 11.25" wide.

todd

From a steel fabricator?

You sure they wouldn't accept a glue-lam or LVL beam?

-J