Thanks.. lol
I did some FRP panel on the counter backsplash.. I used the proper FRP adhesive as well..

I did another sheet of paneling by the side 'entrance' door.. If you didn't know on this trailer by the door is a 3" wide frame going up.. had to trim the 1" nails to 1/2" as not to hit the steel.. I also used the panel adhesive as your supposed to so no worries..

Some 1" insulation with foil and clear for the roof.. thats AC ducting tape.. I am still unsure of the ceiling material options?? suggestions??

I also installed the CAMCO RV winterizg kit with the bypass valve.. figured what the heck..

I used a Stanley slide latch for the temporary interior only door latch.. I get a 1" throw onto the side wall which has a 3" steel upright for a door frame..
This will be used when I am in the trailer sleeping only.. I intend on using the big outside latch with lock if I wander more than 10' from the trailer..
I found out this WellsCargo side door is totally hollow btw.. nothing in it (not even foam).. (sucks).. I reinforced both sides of the bolts with 1" fender washers..
And yes I missed the measurement on the notch in the panel height when doing the panel..

Waiting on the window, so I can finish the wall work.. then I can focus on 'trimming'..