1.   Acid eats into the metal, damaging its surface.

2.   A fine, pencil-thin spray might loosen the pebbles and damage the surface.

3.   Chips from the removed tiles can scratch and damage surfaces if you accidentally put weight on them and grind them in.

4.   However, damage from cracking or chipping can expose the core, which is often wood, causing it to expand and contract and further damage the surface.

5.   If the walls are drywall, then scraping may be impossible without damaging the surface.

6.   If the surface is damaged, it must be repaired with polyurethane of the same type.

7.   In addition to dissolving the stone, that moisture can become part of a freeze-thaw cycle that damages the surface and exposes it to further penetration.

8.   It could damage the surface.

9.   It removes grime and paint without damaging the surface or releasing chemical fumes.

10.   Should the laminate surface become damaged with deep scratches or gouges, however, it cannot be resurfaced.