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Acrylic vs Cast Iron Bathtub: Which Material Wins Long-Term?

Choosing between an acrylic and cast iron bathtub comes down to balancing durability, comfort, installation, and cost. Cast iron offers unmatched longevity and heat retention, making it ideal for forever homes and traditional bathrooms. Acrylic, however, is lighter, easier to install, more affordable, and available in a much wider range of modern styles. This guide compares both materials across lifespan, maintenance, weight, heat retention, resale value, and long-term ownership to help you decide which bathtub material is right for your home.