Bathtub Acrylic vs Fiberglass vs Porcelain – Which One Is Best for Your Bathroom?

August 18, 2025

Contents
What’s the Best Bathtub Material for You?
Acrylic Bathtubs – Lightweight, Durable & Affordable
Fiberglass Bathtubs – Budget-Friendly and Simple
Porcelain Bathtubs – Elegant and Timeless
Side-by-Side Comparison: Acrylic vs Fiberglass vs Porcelain
Other Types of Bathtub Materials to Consider
Porcelain vs Fiberglass Tub: Key Differences
How to Choose the Right Tub for Your Home
Maintenance Tips by Bathtub Type
Final Verdict – Acrylic vs Fiberglass vs Porcelain
Best for Style, Comfort, and Versatility
Acrylic vs Fiberglass vs Porcelain Bathtubs – Frequently Asked Questions

Choosing the right bathtub isn’t just about aesthetics—it’s a decision that affects your comfort, energy efficiency, maintenance routine, and even resale value. For homeowners planning a bathroom upgrade, one key question always arises:

Which is better—acrylic, fiberglass, or porcelain bathtubs?

This guide compares the most popular bathtub materials using real-world performance data, buyer considerations, and expert guidance. You'll discover which type best suits your needs—whether you're doing a quick renovation, planning a luxury upgrade, or balancing design with budget.

We’ll also introduce you to newer materials like Aquatica’s AquateX™ , a solid surface composite that offers premium durability and design versatility.

What’s the Best Bathtub Material for You?

The best bathtub material for your space depends on several personal and structural factors: your budget, installation setup, design preferences, and how long you plan to stay in the home.

Here are the most important features to consider when choosing between bathtub materials:

Durability: Will it last 10+ years with regular use?
Installation Ease: Can it be installed upstairs or DIY?
Heat Retention: Will the water stay warm for longer soaks?
Design Flexibility: Is it available in shapes and colors you like?
Cleaning & Repair: Is it easy to clean or fix minor damage?
Long-Term Value: Will it increase home resale appeal?

Each material has strengths and weaknesses. In this guide, you'll get practical comparisons between acrylic, fiberglass, and porcelain, as well as brief insights into premium alternatives like cast iron, cast polymer, and AquateX™ by Aquatica.

Need help choosing the right size or comfort fit? Try the Aquatica 3D Body Position App to see how different tubs support your body shape.

Acrylic Bathtubs – Lightweight, Durable & Affordable

When choosing a bathtub, material matters—not just for aesthetics but also for durability, maintenance, and comfort. Acrylic bathtubs have become a popular choice for homeowners and designers alike thanks to their balance of quality, affordability, and versatility. Whether you're renovating a modern bathroom or looking for a freestanding centerpiece, acrylic offers a smart and stylish solution.

What Is an Acrylic Bathtub?

Acrylic tubs are crafted from sheets of plastic that are molded into shape and then reinforced with fiberglass. This results in a smooth, warm-to-touch surface that is non-porous and easy to clean. Their flexibility makes them ideal for modern freestanding designs, drop-ins, and even two-person whirlpool tubs.

Aquatica enhances this category with AquateX™ and AquateX™, materials engineered for luxury comfort, elevated hygiene, and enhanced durability. See more at the AquateX™ material guide .

Acrylic Tubs Pros and Cons
Feature	Advantages	Limitations
Weight	Lightweight; easier for DIY or upper-floor installs	Slightly less rigid than cast iron or porcelain
Heat Retention	Keeps bathwater warm for longer soaks	Varies by thickness and model
Design Options	Available in many shapes, colors, and finishes	May not appeal to buyers preferring traditional aesthetics
Durability	Can last 10–15 years; surface scratches can be repaired	Sensitive to harsh chemicals and abrasive cleaners
Maintenance	Easy to clean with mild detergents or baking soda	Requires gentle care to avoid surface wear
Affordability	Mid-range pricing, solid value for most households	Pricier than fiberglass but cheaper than porcelain

Fiberglass Bathtubs – Budget-Friendly and Simple

If you're looking for a cost-effective bathtub option that’s quick to install and easy to handle, fiberglass might be the right fit. Commonly found in starter homes, guest bathrooms, or rental properties, fiberglass bathtubs offer a lightweight solution with minimal hassle. While they may not match the longevity or finish of more premium materials, they deliver solid functionality at a fraction of the price.

What Is a Fiberglass Bathtub?

Fiberglass bathtubs are constructed by layering fine glass fibers over a mold, then coating the surface with a protective gel resin. This makes them one of the most affordable and lightweight bathtub materials available today.

Although often used in entry-level or secondary bathrooms, fiberglass tubs offer a quick-install solution for budget-conscious homeowners or temporary living situations.

Pros and Cons of Fiberglass Tubs
Feature	Advantages	Limitations
Weight	Very lightweight; ideal for DIY or upper-floor installs	Can flex under pressure, leading to instability
Cost	One of the most affordable bathtub materials	Lowest durability of the three core materials
Installation	Easy to install, even for basic renovations	Surface is thinner and more fragile than acrylic or porcelain
Maintenance	Simple to clean with soap and water	Prone to fading, staining, and cracking over time
Durability	Suitable for 5–10 years of use with gentle care	Surface wears down easily; not ideal for high-traffic use
Design	Variety	Available in basic shapes and sizes Limited style and color options
Heat Retention	Poor insulation; bathwater cools quickly	Less comfortable for long soaks

Expert Note: Fiberglass tubs may seem similar to acrylic, but the construction and finish quality are noticeably different. Acrylic tubs have a thicker, smoother surface and are reinforced for longevity, while fiberglass is thinner and more porous, often requiring replacement sooner.

For buyers comparing polystyrene vs acrylic tub options, note that polystyrene bathtubs fall in the same budget tier as fiberglass, with even less durability.

Porcelain Bathtubs – Elegant and Timeless

What Is a Porcelain-Enameled Bathtub?

Porcelain bathtubs are made by applying a layer of porcelain enamel over a metal base—either steel or cast iron. This creates a glossy, scratch-resistant surface that looks elegant and feels solid underfoot.

These tubs are common in traditional homes and known for their long-term durability and ability to withstand daily wear. However, they are significantly heavier than acrylic or fiberglass options, which can affect installation and structural planning.

Pros and Cons of Porcelain Tubs
Feature	Advantages	Limitations
Appearance	Glossy, high-end finish with timeless style	Limited shape and color variety
Durability	Scratch-resistant and long-lasting; can last 20+ years with care	Can chip from hard impacts; repairs often require a pro
Heat Retention	Excellent heat retention, especially with cast iron base	Takes longer to warm up initially
Weight	Heavier, solid feel underfoot	Requires reinforced flooring and professional installation
Maintenance	Resistant to stains and chemicals	Requires gentle cleaning methods to avoid damaging enamel
Cost	Higher upfront cost; adds to resale value	More expensive to install than acrylic or fiberglass

Tip for Upstairs Bathrooms: If you're renovating a second-floor bathroom, porcelain may require additional structural support. In such cases, a lightweight acrylic alternative may be easier to install and more cost-effective.

Porcelain is a great choice for homeowners seeking long-term value, scratch resistance, and a traditional look, especially in vintage or clawfoot tub designs.

Side-by-Side Comparison: Acrylic vs Fiberglass vs Porcelain

To help you choose the right bathtub material, here is a detailed comparison table based on the factors that matter most to homeowners: durability, weight, maintenance, and overall value.

Feature	Acrylic Bathtub	Fiberglass Bathtub	Porcelain Bathtub
Weight	Lightweight; suitable for DIY and upstairs installs	Very lightweight; ideal for temporary or budget use	Heavy; requires professional installation and floor support
Durability	Good overall; the surface can be repaired easily	Least durable; prone to scratches, cracks, and fading	Highly durable, scratch-resistant, but prone to chipping
Heat Retention	Retains heat well for long soaks	Poor; cools down quickly	Excellent, especially in cast–iron–based porcelain tubs
Cost	Mid-range pricing, good balance of value and features	Most budget-friendly option	Higher initial cost, long-term investment
Installation	Easy and flexible; great for DIYers	Very easy to install	Complex; often needs professionals and reinforced flooring
Maintenance	Simple to clean; can use commercial cleaners	Easy to clean but the surface wears over time	Requires non-abrasive cleaners; harder to restore if chipped
Design Flexibility	Available in many colors, sizes, and shapes	Limited to standard forms and colors	Traditional looks; fewer shapes and customization options
Lifespan	10–15 years with proper care	Around 5–10 years; shorter with heavy use	20–30+ years with refinishing every 10–15 years
Surface Feel	Smooth and warm to touch	Slightly coarse; less premium feel	Glossy, cool, hard finish
Repairability	Easy to buff or refinish minor damage	More difficult to repair without replacement	Can be reglazed but typically needs a pro
Resale Appeal	Modern look with broad appeal	Less impact on home value	High-end, classic appeal with better ROI

Acrylic vs Fiberglass Tub: Which Should You Choose?

Acrylic and fiberglass are two of the most common materials for modern bathtubs. While they may look similar at first glance, their performance, longevity, and price points vary. Here's how they stack up:

Feature	Acrylic Tub	Fiberglass Tub
Material	Molded acrylic reinforced with fiberglass	Molded fiberglass coated with a gel resin
Durability	More durable; resists cracking and fading	Less durable; surface may wear or crack over time
Weight	Lightweight but slightly heavier than fiberglass	Very lightweight; ideal for quick installs
Installation	Easy to install; suitable for DIY projects	Easiest to install; best for temporary or budget bathrooms
Heat Retention	Good insulation retains warmth longer	Poor heat retention
Maintenance	Easy to clean; resists mildew and stains	Simple to clean but more prone to stains and dulling
Surface Feel	Smooth, warm to the touch	Slightly rougher, cooler feel
Design Variety	Wide range of shapes, colors, and finishes	Limited styles and finishes
Lifespan	10–15 years with proper care	5–10 years ,depending on usage
Cost	Mid-range pricing, good long-term value	Budget-friendly; lowest cost option

Choose acrylic bathtubs if you want a longer-lasting, more attractive tub that offers better heat retention and durability. Opt for fiberglass if you're on a tight budget or need a quick, lightweight solution for a guest bath or rental unit.

Other Types of Bathtub Materials to Consider

While acrylic, fiberglass, and porcelain are the most commonly used bathtub materials, several alternatives are worth exploring, especially for luxury-focused homeowners or long-term renovation projects. Here are a few additional bathtub material types and how they compare.

Cast Iron Bathtubs

Cast iron tubs are made by pouring molten iron into a mold and coating the interior with enamel. They are known for exceptional heat retention and durability, often lasting 50 years or more.

Pros:

Extremely durable and resistant to wear
Retains heat better than any other material
Luxurious and classic look

Cons:

Extremely heavy; may require structural floor reinforcement
Expensive to purchase and install
Limited design flexibility

Use Case: Ideal for traditional bathrooms or homeowners prioritizing longevity and insulation.

Cast Polymer & Solid Surface

Cast polymer tubs include materials like cultured marble or onyx, combining natural stone with resin and a gel coat. They offer the aesthetic of stone at a lower cost and weight.

Pros:

Durable and stain-resistant
Smooth, high-end appearance
Can be buffed to repair minor scratches

Cons:

May crack if subjected to heavy impact
Less forgiving than acrylic
Some options may be brittle or unrepairable if damaged

Use Case: Great for buyers who want the stone look without the full weight or cost of real stone.

AquateX™ by Aquatica

AquateX bathtub is Aquatica’s premium solid surface alternative to acrylic. Engineered for strength, elegance, and resilience, it provides a matte finish with a softer touch while maintaining all the ergonomic benefits of molded acrylic.

Key Features:

Scratch-resistant matte finish
Luxurious visual texture and feel
Easy to clean and hygienic
Solid throughout (not just coated)

Learn more about Aquatica AquateX bathtubs

Use Case: Ideal for modern bathrooms and luxury buyers who want elevated performance with low maintenance.

Porcelain vs Fiberglass Tub: Key Differences

Choosing between a porcelain and fiberglass tub depends on your priorities—durability, budget, appearance, and ease of maintenance. Here's how the two materials compare:

Feature	Porcelain Tub	Fiberglass Tub
Material	Steel or cast iron coated with a layer of porcelain enamel	Molded fiberglass coated with a gel resin
Durability	Highly durable; resists scratches and fading	Less durable; prone to cracking, fading, and flexing
Weight	Heavy; requires strong floor support	Very lightweight; ideal for upper floors or DIY installations
Installation	More complex and labor-intensive	Quick and easy to install
Heat Retention	Excellent—stays warmer longer	Poor insulation; cools quickly
Maintenance	Easy to clean; can chip if hit with force	Simple to clean but more vulnerable to long-term wear
Aesthetics	Glossy, high-end appearance	Basic appearance with limited styles and finishes
Lifespan	20+ years with proper care	5–10 years, depending on usage and maintenance
Cost	More expensive than fiberglass	One of the most affordable options

If you're looking for long-term value, a porcelain tub offers better durability and appearance but comes with a higher upfront cost and heavier installation. Fiberglass is a great short-term or budget-friendly option, especially for guest bathrooms or quick renovations.

How to Choose the Right Tub for Your Home

The best bathtub material isn’t just about quality—it’s about compatibility with your lifestyle, bathroom space, renovation goals, and installation needs. Use the guide below to find the material that matches your priorities. Key Factors to Consider:

1. Budget

Tight Budget: Fiberglass is the most affordable, but less durable.
Mid-Range: Acrylic offers good value with better heat retention and design options.
Luxury Budget: Porcelain and cast iron deliver timeless style and long-term durability.

2. Installation Constraints

Upstairs Bathrooms: Choose lightweight tubs like acrylic or fiberglass to avoid floor reinforcement.
Tight or Irregular Spaces: Acrylic offers the most design flexibility.
DIY Renovations: Acrylic and fiberglass are easier to install without professional help.

3. Heat Retention & Soaking Comfort

Best for Long Soaks: Porcelain over cast iron or solid-surface options like AquateX™.
Balanced Comfort & Cost: Acrylic retains heat well without the weight of metal.
Poor Insulation: Fiberglass cools down quickly and may feel less comfortable.

4. Design & Style Goals

Modern Bathrooms: Acrylic and solid-surface tubs come in sleek shapes and colors.
Traditional or Vintage: Porcelain-enameled or cast iron tubs fit a classic aesthetic.
Compact Spaces: Fiberglass and acrylic are available in smaller alcove or corner configurations

5. Maintenance Preferences

Low-Maintenance: Acrylic is easy to clean and repair.
Scratch-Resistant: Porcelain resists surface wear but may chip on impact.
Stain-Prone: Fiberglass requires more frequent maintenance and may discolor faster.

6. Resale Value & Longevity

Planning to Sell: Porcelain and cast iron tubs may add resale appeal.
Long-Term Use: Acrylic offers a great balance of longevity and cost-efficiency.

3D Body Position App will help visualize how each tub fits your space and comfort needs, especially when choosing a freestanding, soaking, or air massage model.

Maintenance Tips by Bathtub Type

Proper maintenance can significantly extend the life of your bathtub, preserve its appearance, and help avoid costly repairs. Here’s how to care for acrylic, fiberglass, and porcelain tubs effectively.

Caring for Acrylic Bathtubs

To keep your acrylic bathtub looking sleek and new, regular maintenance is essential. While acrylic is known for its smooth surface and ease of cleaning, it still requires the right care to maintain its appearance and extend its lifespan. From everyday cleaning to scratch repair and stain prevention, the following tips will help you preserve the beauty and performance of your tub for years to come.

Routine Cleaning:

Use mild dish soap, baking soda, or non-abrasive bathroom cleaners.
Rinse thoroughly and wipe with a microfiber cloth.
Avoid bleach, ammonia, and rough sponges.

Scratch Repair:

For light surface scratches, use a fine-grit automotive polish or an acrylic repair kit.
Deeper damage may require a professional refinishing service.

Stain Prevention:

Rinse the tub after each use to prevent soap scum buildup.
Periodically fill the tub with warm water and vinegar to dissolve mineral residue.

Pro Tip: Aquatica’s AquateX™ acrylic blend resists staining and scratches better than standard acrylic, reducing the need for frequent touch-ups.

Caring for Fiberglass Bathtubs

Fiberglass bathtubs are easy to manage but require mindful care to maintain their appearance. Because of their porous and lightweight nature, they’re more prone to wear, staining, and structural damage over time. With the right routine and early attention to issues, you can keep your fiberglass tub in good condition, especially in guest or low-use bathrooms.

Routine Cleaning:

Stick to non-abrasive soaps and soft cloths.
Avoid acidic or abrasive products, as the gel coat can wear thin.

Common Issues:

Surface fading and discoloration are common with long-term use.
Fiberglass is porous, so water can penetrate small cracks if not addressed early.

Scratch Repair:

Cracks and chips may require gel coat refinishing kits or, in severe cases, a replacement insert.

Stain Removal:

Use a baking soda paste or diluted white vinegar.
Avoid bleach—it can yellow the surface over time.

Best For: Low-traffic bathrooms or short-term remodels where long-term durability isn’t critical.

Caring for Porcelain Bathtubs

Porcelain bathtubs are prized for their classic look and long-lasting finish, but they still need regular care to prevent damage and maintain their shine. While porcelain is resistant to scratches, it can chip or rust if not handled properly. These simple care tips will help you preserve the glossy finish and structural integrity of your porcelain tub for many years.

Routine Cleaning:

Use a soft sponge and gentle cleaners like dish soap or diluted vinegar.
Avoid steel wool, scouring powder, or any abrasive pads.

Scratch & Chip Management:

Porcelain is highly resistant to scratching but may chip from dropped items.
Use porcelain touch-up kits for minor chips; large damage should be professionally reglazed.

Rust Prevention:

Dry thoroughly after use to prevent rust on exposed steel.
Avoid letting standing water sit for long periods.

Deep Cleaning:

Mix ammonia and baking soda in warm water for tougher stains.
Never use acidic cleaners like bleach or lemon juice.

Pro Tip: Reglazing a porcelain tub can extend its life by another 10–15 years but should be done by a trained technician for best results.

Final Verdict – Acrylic vs Fiberglass vs Porcelain

Choosing the best bathtub material ultimately comes down to how you plan to use your bathroom—and what matters most to you in terms of performance, budget, and long-term value.

Best for Budget-Conscious Renovations

Fiberglass is the most affordable material on the market. It’s lightweight, easy to install, and works well in guest bathrooms or short-term living spaces. However, it may require more frequent replacements due to wear and tear.

Best Fit: Temporary installations, rental properties, secondary bathrooms.

Best for Style, Comfort, and Versatility

Acrylic strikes an ideal balance between cost, durability, and design flexibility. It’s easier to install than porcelain, offers excellent heat retention, and comes in a wide range of styles—from modern freestanding tubs to ergonomic soaking designs.

Best Fit: Primary bathrooms, families, and homeowners seeking a modern, long-lasting upgrade without the weight or price of porcelain or cast iron.

Best for Luxury and Long-Term Value

Porcelain tubs, especially those with cast iron bases, offer unmatched scratch resistance and classic styling. They’re ideal for homeowners looking to invest in long-term bathroom value and elegant aesthetics. Keep in mind that installation is more complex, and the material is prone to chipping.

Best Fit: Luxury remodels, resale-conscious upgrades, and vintage-inspired bathrooms.

Acrylic vs Fiberglass vs Porcelain Bathtubs – Frequently Asked Questions

What’s Better: Acrylic or Porcelain Bathtub?

Acrylic is more versatile, lighter, and easier to repair. It retains heat well and comes in more shapes and sizes. Porcelain, especially with a cast iron base, offers superior scratch resistance and long-term durability, but it’s heavier and more expensive to install.

Choose acrylic for flexibility and modern design, choose porcelain if you want a classic look with long-term value and don’t mind the weight or cost.

How Do I Know If My Bathtub Is Fiberglass or Acrylic?

Here’s how to tell:

Flexibility Test: Press the side. If it flexes, it's likely fiberglass.
Finish: Acrylic tubs have a smoother, glossier finish. Fiberglass feels rougher and dulls with age.
Weight: Acrylic is heavier than fiberglass but lighter than porcelain.
Color Fading: Fiberglass fades faster, especially on the bottom surface.

Need help identifying your tub? Consult a contractor or use Aquatica’s visual material guides for comparison.

Which Bathtub Material Lasts the Longest?

Porcelain over Cast Iron: 30–70 years (with refinishing)
Acrylic: 10–15 years
Fiberglass: 5–10 years

Durability also depends on usage and care. A well-maintained acrylic tub can outlast a poorly maintained porcelain one.

Is Porcelain Stronger Than Acrylic?

Porcelain is harder and more scratch-resistant, but brittle—it can chip from impacts.
Acrylic is softer and more flexible—it may scratch more easily, but can absorb impacts without cracking.

If strength to resist surface wear is a priority, porcelain wins. For impact resistance and repairability, acrylic is better.

Is a Cast Iron Tub Better Than Fiberglass?

Yes. Cast iron is more durable, retains heat better, and boosts resale value. Fiberglass is cheaper, but far less resilient. If you’re remodeling a master bath or your forever home, cast iron is a worthwhile investment, though it requires reinforced flooring and professional installation.

What Is the Lifespan of a Bathtub?

The lifespan of a bathtub generally ranges from 10 to 30 years, depending on the material. Budget-friendly options like acrylic and fiberglass typically last between 10 to 15 years with proper care. On the other hand, porcelain-enameled cast iron tubs are much more durable and can last for decades, though they may require refinishing every 5 to 15 years to maintain their appearance.

Materials and composition,

Acrylic,

DurateX,

Technology,

Design,

Practical suggestions