help with missing strike plate on patio door

Thanks for posting. Your door's mortise lock looks similar to the 82-238, albeit with the entire trim of the door used as a face plate. This type of lock works with keepers like our 89-030 and 89-036. Give both of these a look and see if you could adapt either to your door frame. Let me know what you think.

Alternate image for 89-030

Additional dimensions for 89-036

Hello! Did you look at the two strike plates that Bob recommended last year? These are the only two styles we sell that are compatible with this kind of mortise lock. Ultimately, it's not possible to accurately ID a part without the original to use as a reference, so for now these are our best guesses. The final determination will have to be yours.

As for the threshold and header, those are two items that we unfortunately don't sell. For that, I suggest contacting the original manufacturer of the door.