Yeah pressure washing is probably the easiest method. Obviously you don't want to be blasting away into the wood so use the right tip & distance from the wood. I personally have used some of the newer carbide scrapers which come in sizes from 2" down to about 3/4 for what doesn't come off with the pressure washer. Years ago I had to pressure wash metal roof so I rented one for a week at about $175. Welp as soon as I got it to the job a weeks worth of rain was starting & I couldn't get up on the roof easily without slipping. I said to myself "Great its gonna cost another $175!" So I decided to stop in our small town Sears tool & appliance store & picked up a 2800 psi Briggs & Stratton. It lasted me for years till it finally conked out but me & my friends used it for so many projects it was worth its weight in gold. I bought a replacement last year at Sears for $329 for a 3000 psi. I was one that was returned for something but still had warranty & works great. I would just go out & buy your wife one for her birthday or next Valentines Day.....JK! Go buy one....you will be glad ya did!

Use the same sheen as the trim for the board and batten, so semi-gloss. For the walls if you don't like flat then then switch to eggshell or satin.

My preference would be for all walls to be board and batten. As to the colour/flow question...my take is that the rest of the items in the room can bridge/unite the individual rooms together IF that is what you like. So that Blue Veil tone might make an appearance in the bedroom in the drapes,or a fabric pillow or a throw etc. Maybe in a big way,maybe a small one. The idea that 'every room must have colour on the walls to flow' strikes me as odd as 'no room can have colour on the walls if you want flow'......and btw as you know, "white" is a colour :-)

@houssaon - haven’t painted yet! Beach glass is lighter than what’s currently on the walls with a bit more green. I like option 3 @Jennifer Hogan - those are neat but too modern for the aesthetic I’m going for in this house. @modpod - haven’t painted yet. The only trim in the room is baseboards/door/window casements. I’m concerned the room would look quite anemic being all white with one accent wall. I do agree it’s classic but as the room gets very low natural light I feel like it might look a bit like a hospital ward? Once I remove the carpet and have the floors done I’ll be adding a large rug under the bed (to extend around it as well) with blues, greens, and creams. I might add a lighter throw and body pillow cover but bedding is set for now, just bought it and love it. I’ll think about the curved option but feng shui discourages mirrors in bedrooms and I feel like adding more things (art/mirrors) above the bed will make the room feel even more lopsided than it already does. Definitely in the very early stages of design but I very much appreciate all of the feedback! Thanks all!