Nope, it will just climb over,. Constant watchful eye is best defense Along with poison specific for Bermuda. I use over the top.

Where do you live?

What kind of grass do you have?

Ft bend co tx, planted st Augustine but there's sedge and Bermuda mixed in. In places where SA has not prevailed or in garden beds, That's where I apply poison. Would be cost prohibitive to kill it all.

I'm in northern Virginia, and it's mostly tall fescue (I'm in the process of bringing it back from many years of neglect by former owners).

Re: the climbing over over...there wouldn't really be anything to climb over - the plates would be fully underground. And as I said, the above ground spread could be treated with herbicide, and the plates would be to stop underground spread.

Again, I'm only half serious about this. The stuff is so tough to defeat by normal methods, I was just kinda thinking out loud about what it would take.

It's mainly a matter of how one wants to allocate efforts. For me, inserting barriers world be much harder than going around w/my backpack sprayer and killing Bermuda stolons . Plus I reconfigure beds from time to time and pulling barriers then re-inserting is more work than I want to do. But that's just me.