Quote Originally Posted by DementedFellow View Post
As a guess I would say no. You are in another form, your armor ceases to function. The harder thing you have to reconcile is not having a metal body and being a warforged druid. Sure it can happen, it's just something to keep in mind.
No, you keep your type as per the errata. And thus, your construct immunities. And you can just take the Ironwood Body feat to negate the metal armor problem.