I see this often here in florida, but I dont really have any comment to make about it in my reports and so I usually do not. Any concerns with this rusting away? What is it protecting exactly.
Thanks!

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Depends on what it is protecting.

I don't know.

I've never seen it. Could be:

- drip edge metal over the edge of the slab with the sill plate on it, with the siding covering the drip edge, with the drip edge acting as a flashing (except that drip edge face looks to be full face and not covered much, if any)

- drip edge metal over the sill plate with the studs nailed through it to the sill plate, trying to serve as a flashing over the sill plate

- flat brake metal with the turned out edge installed vertically behind the siding and hanging down to act as a flashing over the sill plate/slab joint

Regardless, if any of the above, or for any purpose like the above, any flashing which is rusted out needs to be replaced. I can't imagine someone going to that effort without it having been a requirement.

That said, many areas do not allow galvanized flashings near the ocean, only copper or stainless steel, in which case, this flashing should have been one of those???

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Jerry Peck, Construction / Litigation Consultant
Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )

Never mind.

Looks to me like it's keeping what appears to be hard board siding bottom edge off the concrete.