Ok, since my last post I've had to do a bit of backtracking. That's not super fun, cause it feels like taking steps back instead of moving forward on the project. But in reality I have been moving forward as the extra steps will be worth it in the long run.
My framer suggested that the bare wood against metal might be prone to rotting over time from condensation on the metal, so I've taken some steps to protect it. I took all of the 2x5s off and covered them with two coats of high quality exterior grade primer. I also attached strips of sill gasket to the wood where it will be in contact with the metal of the trailer frame and with the metal flashing underneath.
He also suggested that attaching the boards to the trailer with screws alone would not be strong enough over time, what with some vibration from moving the trailer. Even though the boards won't be load bearing, they need to be securely fastened. So I took them off, drilled the existing holes in the boards to accomodate 14" bolts, drilled corresponding holes right through the trailer joists, and have transferred the screws that were in there to the middle of the boards. They're all back on now, and looking snazzy. Just like this guy:
What an awesome helper. Thanks Carl!
Oh, that metal beam is clamped on there to keep the wood boards from crowing up abover the level of the metal joists while Carl screwed them back on.
Now I'm back to attaching the flashing to the bottom. The first sheet is on, and the second one's ready to go on now too, with cuts made for where the tongue attaches to the main frame.
Feels like I'm moving forward again... :-)
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