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Water-based Concrete Stains Grow in Popularity

This restaurant floor, done in ARTesian Water-Based Stains, showcases both the durability of the product and the wide range of colors available. The compass below displays the colorful hues in more muted tones.
This restaurant floor, done in ARTesian Water-Based Stains, showcases both the durability of the product and the wide range of colors available.

 

Traditional acid-based stains may be today’s gold standard for the decorative concrete industry, but their water-based cousins are growing in popularity due to their ease of application, quick cleanup and range of colors.

Hardly lingering shyly on the sidelines is yet another technology: Dyes — both acetone- and water-based.

 The stamped concrete compass displays the colorful hues in more muted tones of concrete stains.

 

Each technology is distinctly different, and each offers its own advantages and disadvantages. The main things to know are that surface prep is different, particularly between acid and water-based stains, and that using the right sealant for the application is a must.

While their attributes are making water-based stains an attractive option for many jobs, both suppliers and contractors say one of their best uses is complementing acid-based applications by covering holidays (bare spots) and providing highlights and depth to acid-stained surfaces.

 

On the up and up

Just how popular water-based stains are is somewhat open to debate. However, just about everyone agrees their use is on the upswing.

“We added them nine or 10 years ago, but they’ve probably become pretty popular in the last three or four years,” says Tyler Irwin of the Oceanside, California-based Proline Concrete Tools Inc. “With our international stain sales, I’d estimate sales as about 60 percent acid to 40 percent water-based stains, but in the United States I’d probably flip those numbers. Water-based has become dominant over acid.”

John Reynolds, director of training and technical support for Springfield, Illinois-based Brickform/Solomon Colors, says he’s been using water-based stains for more than 15 years now, and more recently water-based dyes, although he isn’t seeing the numbers Irwin reports.

“Acid stains are still extremely popular for us,” Reynolds says. “Brickform sells probably at least three times as much acid stain as we do water-based. However, they’re coming up in popularity and competing more and more with the acid stains.”

 

Contractor Rick Ogden acid stained this residential floor a diluted black and then had problems with residues and extreme finish measures. His solution was to use an acetone dye in a corresponding color since the floor was already profiled and readily accepted the dye.
Contractor Rick Ogden acid stained this residential floor a diluted black and then had problems with residues and extreme finish measures. His solution was to use an  acetone dye in a corresponding color since the floor  was already profiled and readily accepted the dye.

 

Reynolds opines that a lot of the growth of water-based stains is due to its wider variety of available colors and that cleanup is easier than when using acid-based stains, just as the growth of water-based dyes is due to acetone’s volatility.

Chuck Brunner Jr., of the Harrisburg, Pennsylvania-based Smith Paint Products, says there’s also an environmental element to the acid versus water-based stain debate.

“In coastal California, you can’t even put acid stains on your shelf anymore,” Brunner says. “There’s the corrosive nature of it, and once you’ve neutralized an acid, the water you’ve used to neutralize it with is considered a hazardous waste.”

Still, in one respect water-based stains aren’t that much different from acid stains. Surface preparation is critical with all products — just different.

While having a clean surface is the key to applying acid stains, when it comes to water-based products Brickform’s Reynolds says it’s critical to know your concrete. While a broom-finished slab will easily take a water-based stain, that isn’t true with other finishes.

“If I have a hard-troweled floor, I’ve got to try a number of things,” he says. “Whether it’s acid-etching or potentially grinding the floor, it has to be opened up enough to get a water-based stain to penetrate properly.”

Rick Ogden, owner of Rick Ogden Construction in Pryor, Oklahoma, and a long-time user of water-based stains, agrees that preparing the floor correctly is key. Regardless of the product, though, he says it’s critical to follow directions.

“I use Smith’s stains a lot, and they’re really good stains, but you’d better follow their instructions to the letter,” he says. “I’ve also learned not to try to shortcut things. When it says to let it dry 24 hours, you let it dry for 24 hours.”

 

The first Gino’s Pizza to open in Phoenix features a floor colored with iCoat’s One Day Stain in medium gray with a brown accent. The area seen here at the hostess stand near the restaurant entrance is where a red-colored slab placed in 1957 meets up with a new pour.
The first Gino’s Pizza to open in Phoenix features a floor colored with iCoat’s One Day Stain in medium gray with a brown accent. The area seen here at the hostess stand near the restaurant entrance is where a red-colored slab placed in 1957 meets up with a new pour. Photo courtesy of iCoat

 

Colorful competition

Because of their broad color range (everything from earth tones to pastels), their ability to be applied full-strength or diluted to achieve different looks, and their reliability, water-based stains are often compared to acetone dyes, which are also growing in popularity.

Tim Frazier, training and tech adviser for The Stamp Store based in Oklahoma City, explains that acetone dyes originally came from the polishing side of the industry. Brickform’s Reynolds adds that a dye uses a soluble pigment different from those used in water-based stains, which are not soluble.

 

To get these bright colors, this floor was micro-topped with a white mix and colored with water-based stains from the SS Rainbow collection that were feathered together with a high-volume low-pressure sprayer. SS Poly Pro 38 — a high-solid, two-part sealer — was then applied to add shine and durability. Photo courtesy of iCoat Photo courtesy of The Stamp Store
To get these bright colors, this floor was micro-topped with a white mix and colored with water-based stains from the SS Rainbow collection that were feathered together with a high-volume low-pressure sprayer. SS Poly Pro 38 — a high-solid, two-part sealer — was then applied to add shine and durability. Photo courtesy of The Stamp Store

 

Dyes don’t have quite the color range as water-based stains, and you don’t get the same level of control a water-based stain offers, says Smith’s Brunner.

“I like to layer my colors,” he says. “I can start with a lighter color and then go darker and create a nice piece of art with water-based stains. With a dye you’re not going to get that much control.”

It’s that layering ability that makes water-based stains a real complement to acid stains. Because many manufacturers make the same color in both formulations, it’s possible to correct problems with an acid stain using a water-based application. However, Reynolds says that Brickform is also offering more dye colors that match acid stains for that same purpose

“Contractors will have problematic areas where there was a surface contaminant that didn’t stain,” says Eric Hamlin, owner of The Stain Store in San Antonio, Texas. “They’ll highlight that with a smaller amount of the water-based stain so they’re not stacking. They can also do a two-tone depth that looks nice.”

 

Correcting ability is a plus

Both Smith’s Brunner and Cory Huber, owner of Huber Custom Coatings in Quincy, Illinois, say the water-based stains are great for making all kinds of corrections, including when an acid stain doesn’t produce quite the color expected.

“You have those times where you should have used more acid stain or you have to fill in the blanks,” says Huber. “That’s where a cup gun and an air compressor come in handy. You can really control where the color is going and put it down in lighter lifts.”

 

This floor was stained Taupe with Butterfield’s water-based Elements, a product contractor Rick Ogden says he was very impressed with and will definitely use again. Surface prep was the key to this project’s success, he notes, followed by a wax regimen maintenance program.
This floor was stained Taupe with Butterfield’s water-based Elements, a product contractor Rick Ogden says he was very impressed with and will definitely use again. Surface prep was the key to this project’s success, he notes, followed by a wax regimen maintenance program. Photo courtesy of Rick Ogden Construction

 

That’s not to say that surface prep isn’t important with the water-based products, too. If anything, Huber says he’s paying more attention to that than in the past, and evening out the stain between applications with a microfiber mop.

Unlike both acid and water-based stains, acetone dyes lack UV stability, which limits the locations in which they can be used. However, says Hamlin, that’s changing.

“They’ve come out with UV-stable ones over the past few years,” he says. “The main thing with acetone dyes is to follow their guidelines for use and prep before you do the work. You can still have issues, but I like acetone dyes if they’re done right.”

 

Sealing is the secret

The secret to success with any of these products is using the best sealant for the job, says The Stamp Store’s Frazier.

“Proper preparation and then maintenance are really the keys to everything, and your durability depends on your maintenance and wear,” he says. “The type of protectant sealant you put on top is going to determine the wear. It all depends on what your expectations are.”

Of course, that requires information, and Ogden says there’s probably nothing more important that his fellow contractors can do than get the right information from the manufacturers and suppliers before they start any job.

“The products are only as good as the user,” he says.

For those who take the time to learn the ins and outs of water-based products, the results can be first rate though, Brunner says.

“I think they’re being put on everything from rockscapes to verticals and horizontals,” Brunner says. “I’m always amazed at the pictures we get in. Just because they’re a little more dependable, I think water-based systems have found a home in this industry.” 

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