Quote Originally Posted by ogorir View Post
I'd weld it perpendicular to the fence panel so your guard has depth. seeing as everything on this is made of foam, you might want to go with something thinner than 1/8" to keep the weight down. 18ga would probably be fine. just weld the fence panel to the strap and weld mounting tabs to the strap. you'll still need to bend the ends of the fence panel up, though. you're not going to get a good joint trying to weld something edge-on to the fence panel.
I think I can visualize that. It seems like it would have a very "polished" look. Could probably even put the strap at the same angle as the face of the duct to fit into the front of the duct.