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can i paint a cast iron tub

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Can you resurface a cast iron bathtub?

Poskin also suggests sandblasting the cast iron tub to prepare it for painting, as this reduces imperfections and achieves a smooth surface. Whether or not your tub has been painted before also matters. Sarah Gibson, founder of the Room for Tuesday lifestyle blog, explains how she resurfaced her cast iron tub. She points out that if the tub had been painted before, it would have needed to be stripped and sanded.

What kind of paint to use for cast iron?

Cast iron can be painted with an oil-based metal primer and paint. If the iron is rusty or has been previously painted, the rust or paint should be removed before new painting is begun. Oil-based painting can be messy and the paint can take several hours to dry. Spray-paint can also be applied to cast iron. Use these steps to paint cast iron.

How do you paint your bathtub?

Tips for painting a bathtub:Make sure your bathroom is well ventilated. …You can use either a paint roller,paint brush or paint sprayer for painting a bathtub. …The bathtub paint is a lot thinner than most paints. …If the paint runs,smooth it out as soon as you can because it seems to dry faster than normal paint.More items…

How to paint a bathtub with enamel paint?

Painting. Apply a metal primer evenly on the tub’s surface to cover any scratches, chips and other imperfections. Let the primer dry for one hour or the recommended time on the primer’s container. Apply one coat of enamel or an epoxy-based paint to the tub. Let the coat completely dry before applying a second coat.

How to get paint off of cast iron tub?

Open a can of acid etching primer and apply it to the entire exterior of the tub using a sponge. Allow the acid to sit for 15 minutes and then rinse it off with clean water. The acid etching primer makes the paint stick better to the cast iron.

What is a clawfoot tub?

Clawfoot tubs are made of cast iron and get their name from the four feet that raise the tub off of the floor. Traditionally, the feet were in the shape of bird claws, but now come in a wide variety of designs. While cast iron tubs are durable, the outer enamel often becomes scratched and chipped. You can paint the exterior …

How to remove a nut from a tub?

Examine one of the feet and locate the nut on the bottom of it. Remove the nut using a wrench and then slide the metal foot and the bolt off of the tub. Repeat the process to remove the other three feet.

Can you paint clawfoot tubs outside?

If desired, you can move the clawfoot tub outdoors to paint it. However, due to the extreme weight of the iron, this is often not feasible.

Where did EHow get her degree?

She has a degree in journalism from the University of Georgia and began writing professionally in 2001. eHow may earn compensation through affiliate links in this story.

How to clean soap scum off of tub?

Scrape the surface of the tub with a razor blade to remove built-up soap scum and other deposits. Rinse the tub and dry it completely, then wipe the entire surface using a rag dipped in denatured alcohol.

How to smooth out a painted tub?

Dip a piece of 1,000-grit sandpaper in water and use it to very carefully sand and smooth the painted surface of the tub.

How to smooth out holes in a drywall wall?

Smooth out any remaining holes or imperfections in the surface using glazing putty. Sand the surface once the putty has dried completely, then wipe away all sanding dust with a tack cloth.

Can you use bonding agents on urethane?

Never use bonding agents, urethane paint or other harsh chemicals without proper ventilation and personal protective gear.

Is a Bathtub Refinishing Worth It?

Each year refinishing shops across the country rescue thousands of tired old tubs and sinks by spraying on an acrylic urethane resin coating. Done correctly, either off-site in a shop or in place, sink or tub resurfacing is an effective and inexpensive solution for porcelain that is chipped, worn rough, or whose color has simply gone out of style.

What kind of paper do you use to putty fiberglass?

Ayers, a former auto-body repairman, trowels fiberglass putty into deep chips and scratches, just as he would on a damaged car door. (Had the tub been severely etched by cleanings with bleach, he would have had to putty the entire inner surface.) After the fiberglass hardens, he sands it with a coarse 36-grit paper to knock down high spots and an 80-grit paper to feather it out. He fills any pockmarks in the dried fiberglass with a polyester glazing putty, waits for it to set, then sands it in the same manner.

What kind of paint does Scott Ayers use on a bathtub?

Enveloped in a mist of paint, Scott Ayers sprays an acrylic urethane enamel over the bathtub’s damaged porcelain.

What is Scott Ayers spraying on a bathtub?

Enveloped in a mist of paint, Scott Ayers sprays an acrylic urethane enamel over the bathtub’s damaged por celain. He protects the bathroom with plastic and his lungs with an air-supplied respirator.

How long does a cast iron tub last?

But says Diane Robbins, co-owner of the franchise that resurfaced Jackie’s tub, with proper care and maintenance (nonabrasive and bleach-free cleaners only), a refinished cast-iron tub surface should last 15 to 20 years.

How long does it take for urethane to dry?

Using a spray gun, he applies three coats of acrylic urethane enamel, letting each dry for 10 to 15 minutes. With the help of a heat lamp, the finish cures in about one hour; a wet sanding with 1,000-grit paper smooths bumps and rough patches.

How does the Metropouloses buff their bathtub?

Finally, he hand buffs the tub to a shiny luster with a soft cloth and polymer glaze car wax. Eight hours after arriving at the Metropouloses’ house, his work is done. They’ll be able to slip into a bath later that night.

How long does epoxy take to cure?

Epoxy takes time to fully cure, so heed the manufacturer’s instructions on drying time. Don’t use the tub until the paint has fully cured—even if it feels dry to the touch, which might be as soon as an hour. Once cured, remove the tape, re-caulk the tub, and re-install the fixtures and drain hardware. Advertisement.

How long to mix epoxy paint for tub refinishing?

If that’s the case, pour each part into one bucket to mix thoroughly, for at least two minutes.

How to clean a bathroom with mildew?

Open the windows and run the bathroom exhaust fan before you begin to clean up any grime, soap scum, and mildew. First, wash the bathtub with 10 percent bleach in water solution. Rinse well, and follow with an abrasive bathroom cleanser like Comet or Soft Scrub.

How long does epoxy last in a bathtub?

But with the following steps, patience, and care, you’ll get a porcelain-like finish that will last three to five years.

What is the focal point of a full bath?

By Jennifer Noonan and Bob Vila. Photo: fotosearch.com. The focal point of a full bath is often its tub , which ought to be pristine and gleaming. If yours is pitted, chipped, or scratched—or sporting an old-fashioned color that no longer suits your style —you can spare yourself the bother and expense of ripping it out and replacing it.

Does epoxy paint have a self leveling property?

Epoxy paint has a self-leveling property, so don’t be concerned if you see some bubbles or brush marks—these should disappear as it sets. Allow the first coat to dry according to the manufacturer’s instructions, and apply the second coat in the same way you did the first. 7.


A cast iron bathtub is a bathtub made of melted iron fused with porcelain. This mix is poured into a mold that is located inside a blast furnace. The tub is then coated with enamel to prevent chipping. The result is a bathtub that is highly durable and considerably resistant to scratches, heavy impacts, and other mechanical agents due to its baked enamel coating. Its solid and compact structure makes it much more durable than any other kind of tubs and since cast iron naturally absorbs heat, this bathtub will hold water temperatures for much longer periods, creating a more lasting and, consequently, superior bathing experience.


Cast iron bathtubs have been around in America for way over a century already. They were seen for the first time in an American vessel in 1842. They were the first type of bathtubs used in this continent and were considered a luxury item in the late 19th century. Unless they were in fancy places the majority of them tend to be unsophisticated, in most cases simple and somewhat rustic until a Scottish-born inventor named David Buick created a process for bonding porcelain enamel to cast iron in the 1880s while working for the Alexander Manufacturing Company in Detroit.


Due to the significant disadvantages of cast iron bathtubs mentioned, home developers nowadays tend to often opt for other alternatives like steel or acrylic tubs when they build a new house to the detriment of quality. These same weight inconveniences combined with its virtues, however, make cast iron tub refinishing the preferred choice for contractors when the time to remodel a bathroom arrives and the bathtub currently installed is a cast-iron one.

How much does it cost to refinish a cast iron tub?

The base price for the refinishing of a cast iron tub, when done by a reputable bathtub refinishing company, varies from state to state and depends on whether the tub is a built-in standard size tub or a clawfoot tub. For the built-in standard size tub, the average price ranges from $230 to $350 while for the clawfoot tub would be from $450 to $750 if it’s done outside and inside. Other factors like whether there are multiple chips to repair, excessive wear, or significant deterioration could also affect the price.

How much does a cast iron bathtub cost?

However, cast iron bathtubs still pose some important disadvantages. One of the main ones is cost. They are usually way more expensive than bathtubs of any other materials. A regular built-in standard size Kohler villager (one of the cheapest ones), for example, costs around $570, more than twice as much as an acrylic, fiberglass, or steel tub of the same characteristics and decent quality which range around $200 to $250. Other models of built-in cast iron tubs manufactured by Kohler at present, fluctuate from $750 to $1,200.

What is the material used in clawfoot tubs?

At present cast iron clawfoot tubs are still being made, besides but there are many other material options: stone resin, steel, acrylic, and fiberglass.

When did clawfoot tubs become built in?

In the latter half of the 20th century, the once-popular clawfoot tub morphed into a built-in tub with a small apron front. This enclosed style afforded easier maintenance and, with the emergence of colored sanitary ware, more design options for the homeowner. The Crane Company introduced colored bathroom fixtures to the United States market in 1928, and slowly this influx of design options and easier cleaning and care led to the near demise of clawfoot-style tubs.

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