Cast iron tubs are highly durable fixtures made by pouring molten iron into a mold and coating it with thick, enameled porcelain. They are considered "buy-for-life" investments, but their immense weight requires careful structural planning.
Disadvantages of Cast Iron Tubs
It often requires careful planning and the assistance of 2 or 3 people, making it a significant project to relocate to a second-floor bathroom. The weight also necessitates evaluating the structural integrity of the installation location, potentially requiring additional reinforcement.
What Tubs Do Plumbers Recommend?
Though both of these sets of raw materials are combined for durability, the presence of iron in cast iron bathtubs gives them superior durability over acrylic bathtubs. So when we compare the two tubs in the durability department, it's a win for cast iron.
The best bathtub material depends on your priorities. For the best balance of warmth, affordability, and easy installation, acrylic is the top choice. If you want maximum durability and heat retention, choose cast iron. For premium, high-end aesthetics and spa-like luxury, stone resin is highly recommended.
Porcelain-enameled cast iron bathtubs are the longest-lasting type of bathtub, frequently lasting 50 to 100+ years. They feature an incredibly thick iron core covered by a heavy, glass-like enamel coating, making them highly resistant to flexing, scratching, and cracking.
Choose an acrylic or cast-iron soaking tub for the best balance of heat retention, comfort, and durability. For most standard remodels, a freestanding acrylic tub provides a modern centerpiece, while an alcove bathtub is best if you also plan to have a shower.
Times have changed, but a cast iron tub still remains one of the most beautiful tubs you can add to your bathroom space. In fact, there are many reasons why so many homeowners and designers prefer this brilliant tub for bathroom renovation projects.
While acrylic is a popular and budget-friendly choice, its main drawbacks include a susceptibility to surface scratches, a tendency to discolor or yellow over time, and a slightly hollow, flimsy feel compared to heavier materials like cast iron.
Cast iron and stone resin hold heat best. Cast iron is incredibly heavy but retains heat longer than any other traditional material. Stone resin acts like a thermal mass, providing premium heat retention with a modern, solid-surface finish.
When selecting the best bathtub for your bathroom, the top manufacturers stand out based on their durability, design, and bathing style. For luxury and high-end features, Kohler is a market leader, while American Standard and Vanity Art are highly rated for mainstream reliability and modern freestanding designs.
An acrylic tub typically lasts between 10 and 15 years, but with proper care and professional installation, it can last 20 years or more. The lifespan largely depends on the quality of the material, how often the tub is used, and how well it is maintained over time.
Remove your tub if you are remodeling a primary bathroom, you have another tub in the house, or you prefer a spacious, accessible walk-in shower. However, keep at least one bathtub in your home if it is your only bathroom, you have young children or pets, or you plan to sell soon.
Cast Iron Cons
Unfortunately, iron is prone to rusting and long-term effects will harm the material. Frequent exposure to moisture will only accelerate the process. Cast iron is a very heavy material which makes working with it very difficult.
The last cast iron sewer pipes were installed in American homes in the early 1980s. Most areas stopped using cast iron by the 1970s. Here's why cast iron fell out of use in residential sewer systems: Cost.
Dish soap isn't just for dishes; it can serve as an effective cleaner for your bathtub when you're alone at home. The surfactants in dish soap break down grease and grime, making it an efficient choice for tackling soap scum and dirt in your bathroom.
Hotels are phasing out bathtubs in favor of walk-in showers due to shifting consumer preferences, easier maintenance, and the need for spatial efficiency. Modern travelers generally prefer quick showers, and walk-in showers make bathrooms feel larger while using less water.
Regarding cleaning with your standard household products, some will work better for cleaning acrylic tubs than others. An excellent example of one that works well is Dawn dish soap. Dawn is gentle enough to use on acrylic surfaces and could help cut through the dirt and grime.
Acrylic tubs provide versatility, affordability, and ease of installation, making them an excellent choice for many homeowners. Cast iron tubs, while more expensive and challenging to install, offer unparalleled durability and a timeless aesthetic that can add significant value to your home.
The best bathtub material depends on your priorities. For the best balance of warmth, affordability, and easy installation, acrylic is the top choice. If you want maximum durability and heat retention, choose cast iron. For premium, high-end aesthetics and spa-like luxury, stone resin is highly recommended.
Clawfoot tubs are extremely heavy and may require additional reinforcement of the flooring as well as a way to get them into the bathroom. Therefore, they are usually recommended for first-floor bathrooms. Acrylic tubs are lighter and require no additional flooring alterations.
A white acrylic tub often turns yellow due to soap scum, body oils, or minerals from hard water. To avoid this, focus on preventing yellow stains on acrylic by cleaning regularly with gentle, acrylic-safe products and avoiding harsh chemicals or prolonged contact with bath oils.
The best bathtub brands depend on your budget and preferred style. Top-tier luxury brands deliver bespoke materials and advanced hydrotherapy, while widely available manufacturers offer excellent everyday acrylic models.
A Cinderella tub is a vintage, space-saving corner bathtub popular from the 1930s to the 1950s. It is designed to fit diagonally into a corner, featuring a wide, rounded front and built-in seating on the sides. These cast-iron, often colorful (pink, blue, yellow) tubs maximize functionality in small bathrooms.