difference between acrylic and fiberglass tub
The surface of an acrylic bathtub is relatively soft and not very rigid. Acrylic tubs can be reinforced with fiberglass, which will increase durability and rigidity but will also increase the price of the tub.
Acrylic is more durable than fiberglass and is not easy to scratch or puncture. The molding process, which involves stretching the acrylic, can, however, sometimes create thin weak spots in the unit. Repairs can be difficult and costly. Fiberglass is susceptible to scratching and color loss.
Advantages. 1  Since the material is non-porous it will not allow mold and mildew to build up. 2  Color is solid through the acrylic so it wonât yellow like a fiberglass bathtub. 3  This long lasting material will minimize the need for frequent replacements.  Acrylic retains its gloss and shine over the life span of the material.
Disadvantages. 1  If the top gelcoat is damaged the fibers of the fiberglass can show through. 2  This type of tub doesnât last as long as acrylic and its removal can lead to an expensive bathroom remodeling project. 3  Since this material is porous it can absorb moisture, grime and lead to mildew problems.