The Aloha porcelain enameled bathtub is a classic alcove tub built around a metal shell coated in fused porcelain enamel, and it shows up in countless American bathrooms because it hits the sweet spot of durability and price. If you are weighing an Aloha porcelain enameled bathtub for a remodel, the questions that matter are practical ones: How heavy is it, which way does the drain face, and how do you keep the finish glossy for the long haul? This guide answers them the way a remodeler would on the job site.
Porcelain enamel is a glass coating bonded to steel or cast iron at roughly 1,500°F. The result is a hard, non-porous surface that resists stains and holds heat, wrapped around a metal core that gives the tub its strength and its weight.
What Porcelain-Enameled Really Means
Do not confuse enameled metal with molded acrylic or fiberglass. An acrylic tub is plastic through and through; a porcelain-enameled tub is metal wearing a glass skin. That difference drives everything about how it feels and lasts.
- Enameled steel: A stamped-steel shell, usually 16 to 18 gauge, coated in porcelain. Lighter and more affordable, often 60 to 90 pounds. It transmits sound, so water hitting it is louder, and it can chip if struck hard.
- Enameled cast iron: A cast-iron body with the same porcelain glaze. Far heavier, often 250 to 350 pounds for a 60-inch tub, but nearly indestructible and it holds bathwater warm much longer.
Budget alcove models in the Aloha style are typically enameled steel, which keeps the price and the install weight down while still giving you that hard, glossy porcelain surface.
Standard Sizes and Fit
Most alcove tubs of this type match the American standard opening so they slot into a three-wall recess without reframing. Expect these dimensions:
- Length: 60 inches is the default; some lines offer 54 or 66 inches
- Width: 30 to 32 inches
- Height: 14 to 17 inches at the wall
- Water depth to overflow: roughly 8 to 12 inches
Before you buy, measure your alcove opening at the floor and confirm the rough-in. A 60 by 30 inch tub needs a framed opening cut to spec, and even a half-inch of drywall buildup can bind the flange. Dry-fit the tub in the recess before you set any mortar.
Drain Hand: Left Versus Right
This single detail trips up more homeowners than any other. Tub “hand” refers to which end the drain sits on as you stand facing the tub from the room.
- Left-hand drain: The drain and overflow are on your left as you look at the tub.
- Right-hand drain: The drain is on your right.
Order the hand that matches your existing plumbing rough-in, or you will be rerouting drain lines inside the floor. If you are unsure, look at where the P-trap comes up before the tub arrives. Getting this wrong is the most common cause of a returned tub.
Durability and Why People Choose It
The porcelain glaze is genuinely tough. It shrugs off most household chemicals, does not fade in sunlight, resists scratching from normal use, and will not discolor from hot water the way some plastics can. On a steel tub the finish is bonded to a rigid metal shell, so it does not flex and creak underfoot the way a poorly supported acrylic unit sometimes does.
The trade-off is chipping. A heavy object dropped on the enamel, such as a cast-iron pan or a wrench during a faucet swap, can knock a chip clear down to the metal. On steel that exposed spot will rust if left bare, so repair it promptly. This is the finish’s one real vulnerability, and it is entirely manageable if you protect the surface during construction.
Chip Repair and Refinishing
A small chip is a weekend fix, not a tub replacement. Porcelain touch-up kits sold for $15 to $30 include a two-part epoxy tinted white or almond.
- Clean the chip with denatured alcohol and let it dry completely.
- Lightly sand any rust down to bright metal with fine wet-dry paper.
- Mix the epoxy, apply thin layers, and let each cure before adding the next.
- Feather the final coat level with the surrounding enamel and buff lightly once cured.
For a tub with widespread wear, a professional reglaze or refinish costs $350 to $600 and buys another 10 to 15 years, far cheaper than tearing out plumbing and tile to swap the tub.
Protecting the Tub During a Remodel
More enamel chips happen during construction than during years of bathing, so protect the surface the day it lands on the job site. Once the tub is set, lay a heavy moving blanket or a sheet of cardboard across the bottom and tape a rigid cover over the rim before any tile, drywall, or faucet work begins overhead. A single dropped tool or a chunk of falling thinset can crater the glaze, and that chip is entirely avoidable.
Keep the drain covered too. Grout, thinset, and construction debris that wash down an unprotected drain can clog the trap and stain the enamel around the outlet. A strip of painter’s tape over the drain and overflow costs nothing and saves a headache. Do not remove the factory protective film, if any, until the surrounding tile and paint work is finished.
Cleaning Without Wrecking the Finish
The gloss lasts if you treat it kindly. Wipe the tub after use to stop soap scum and hard-water film from building. For weekly cleaning, use a non-abrasive liquid cleaner or a paste of baking soda and water on a soft cloth. Vinegar diluted in warm water cuts mineral deposits without scratching.
Steer clear of steel wool, gritty scouring powders, and harsh acid-based tile cleaners, all of which dull and micro-scratch the porcelain over time. A dull tub is almost always a scrubbed-too-hard tub. Rinse thoroughly and dry the surface if your water is hard, because it is the mineral scale, not the tub, that makes an old enamel surface look tired.
Installation and Cost
Setting one of these tubs is straightforward but physical. Installers bed the base in a layer of mortar or structural adhesive so the steel does not oil-can and flex, then screw the flange to the studs and tie in the drain and overflow before the surround goes up. Level it carefully toward the drain so water does not pool at the far end.
The tub itself typically runs $150 to $400 for an enameled-steel alcove model, with cast-iron versions climbing to $500 or more. Professional installation adds $400 to $900 depending on whether plumbing has to move.
Steel or Cast Iron: Which to Buy
The choice comes down to your floor, your budget, and how much you value a long soak. Enameled steel is the practical pick for most remodels: it is affordable, a single person plus a helper can carry it, and the standard framing already supports it. If you want the tub to hold heat and stay silent when water runs in, and your floor joists can take the load, cast iron is the upgrade.
- Choose enameled steel if: you are on a budget, working on an upper floor, or replacing a tub without reinforcing the framing.
- Choose cast iron if: you take long baths, want maximum durability, and have a solid subfloor to carry 300-plus pounds of tub plus water.
Whichever body you choose, verify the drain hand, dry-fit it in the alcove, and protect the finish during the rest of the build. For a durable, low-cost tub that cleans easily and lasts for decades, a well-installed Aloha porcelain enameled bathtub remains one of the smartest values in a bathroom remodel.
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