Acrylic Bathtubs Vs Cast Iron Bathtubs: Which is right for you?


67" Hibiscus Rectangular Acrylic Freestanding Tub, Drea Freestanding Tub Faucet in Brushed Gold 67" Hibiscus Rectangular Acrylic Freestanding Tub, Drea Freestanding Tub Faucet in Brushed Gold

Acrylic and cast iron are two of the most popular bathtub materials for home renovators — and for good reason. Both have durable qualities that are designed to last and look new after long-term use. However, when it comes to which type of tub to choose, many have their favorite depending on look, feel, and function.

The truth is, both acrylic and cast iron bathtubs are excellent options. The choice boils down to preference. To help you with your decision, we’ve compiled a list of characteristics of each material. Read on to find out whether acrylic or cast iron is the best fit for you.

Acrylic Bathtubs


A lightweight material, acrylic can typically be placed on any level of the home without needing additional floor support. Much easier to maneuver, this makes them a popular choice especially for bathrooms not on a ground floor. Available in a wide variety of shapes and styles, you can easily find a design in this material that matches your desired look.

56" Boyce Acrylic Freestanding Tub, Vassor Freestanding Tub Faucet in Brushed Gold

Two major advantages of acrylic bathtubs are their affordability and low maintenance, with ease of repair if scratches occur. Though not as heat-retaining as cast iron, if this is an important factor for you, acrylic tubs cans easily be enhanced with air massage and foam insulation features.

Acrylic Main Benefits

  • Versatility

  • Lightweight

  • Affordability

55" Dempsey Round Acrylic Freestanding Tub

Cast Iron Bathtubs


Renowned for decades-long durability and exceptional heat-retaining qualities, cast iron bathtubs are perfect for anyone who appreciates longevity and longer soaks. These benefits do come at a price, with cast iron tubs often pricier than similar products. Ideal for bathrooms with vintage details, these tubs have a timeless look with a rich history.

67" Kateryn Bateau Cast Iron Skirted Tub in Black, Lentz Freestanding Tub Faucet in Matte Black

Requiring little maintenance, this material needs just a soft cloth and gentle cleaner to keep looking new. Unlike acrylic, cast iron is a very heavy material, so floor support is necessary to ensure that the tub rests on a solid foundation.

Cast Iron Main Benefits

  • Durability

  • Heat Retention

  • Low Maintenance

68" Waller Cast Iron Clawfoot Double Slipper Tub with White Modern Feet, Greyfield Freestanding Tub Faucet in Brushed Gold

Understanding the benefits of acrylic and cast iron helps you make informed decisions on a big purchase in your home. With the average cost of a bathroom renovation being upwards of $10,000, it is important to weigh budget and value when selecting a bathtub.

51" Pelion Acrylic Freestanding Tub
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72" Lena Cast Iron Clawfoot Tub with Continuous Rolled Rim and Monarch Feet
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For more about bathtubs and their features, check out our other articles:
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About Air Tubs
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Buying Guide for Freestanding Tubs
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