Ours is similar
We have a full length slide and do have the spacer board similar to yours. Ours has the upper wall trim running above the cabinets, behind which is a black backing board, then the spacer board similar to your pic. When fully extended, the spacer board is the defining location. Also, I agree with one of the previous posters, check the fresh water connection a few times, ours also leaked and kinked. No big deal to fix just something to keep a look out for. We also had a slight fresh water tank leak (drain fitting was cross threaded) that was unnoticed and eventually destroyed the wood in the rear right compartment. IE if you notice water back there don’t assume it’s from the door.
__________________
|