Have not surveyed one in quite a while but some of their models have fully cored hulls.
I always recommend fully cored bottoms be out of the water a minimum of 24hrs (longer in some circumstances) prior to survey.
Aphorisms to live by .....
If you can live with the consequences, go for it - wg
Y'am what I y'am an' thats' all that y'am - Popeye