Are you sure it’s sagged when screwed back into the boat? I had pulled the floor on my Mobius LSV to change out the steering cable so I know what your working with..

So just my opinion- Hydro deck, sea dek..whatever looks like crap in older boats. Looks too much like an after thought, not period correct.

I was considering doing mine when we had our LSV, but went back in with new grey carpet. Turned out great..