Not exact matches
Centre the short end of the panels on the
joists so you have something to attach the next panel to, and keep
going until you've covered the wall.
They have tried to
go formaldehyde free, but I suspect those manufactured
joists in the roof are the usual particle board.
But there is also a new 2x4 stud wall inside the masonry
going right down to the basement floor, which is probably adding a good bit of support to those
joists.
The reason planks
go a particular direction is due to the floor
joists.
I guess it's the «popcorn» is smooth enough, and you know where the
joists are, you should be good to
go!
Or is it that you just
go in the opposite direction of the
joists (which in this case would be the same as the old planks)?