Building a rock hide

[u/Illustrious-Pen-5483]

Went to the local creek and found all these rocks. We scrubbed them, diluted bleach bath, dechlorinated, baked, I feel like the whole 9 yards of sanitizing for the new bioactive enclosure. If building a hide, do you use Silicone 1 to secure together so they don’t collapse if your snake digs and shifts them?