Do Acrylic Tubs Flex

Cons: Like Fiberglass, Acrylic tubs will also flex, which makes it less stable to stand on and the finish is prone to scratching as well, though not to the quality of fiberglass.

How do I keep my acrylic tub from moving?

Carefully set the tub in position and adjust the tub feet as necessary until level. Once level, apply a generous bead of silicone on the bottom of the feet. This will prevent the tub from shifting after installation.

Do acrylic tubs crack easily?

While acrylic tubs may scratch more easily than cast iron, they’re less susceptible to chipping and the cracks may be easily repaired (a feat more complicated in cast iron tubs).