PaintPRO , Vol. 7, No. 1
January/February 2005
PaintPRO Vol 7 No 1

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Related Readings:
Concrete Staining
Concrete Sealers
See Concrete Decor Magazine
Other articles in this issue:
Floor Treatments
Staining Shakes & Singles
Ebonizing Techniques
Low-VOC in the Northeast
Brush Basics
Estimating, Etc.
Contractor Profile: John Swartley
Manufacturer Profile: Kelly-Moore
Paint Industry News
Product News
Product Profiles
Toolbox: Tapes & Film
Painting Tips
PaintPRO Archives
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Modello Floor Treatment



Floor Treatments

As decorative concrete continues to grow homeowners are seeking for contractors who can make their entryways, patios, driveways, interior floors and other concrete surfaces stand out.
by Stacey Enesey Klemenc

As decorative concrete continues to grow in popularity across the country, more and more homeowners are seeking contractors who can offer them that extra special something to make their entryways, patios, driveways, interior floors and other concrete surfaces stand out. And there’s no rule that says concrete contractors are the only ones privy to the work.

Professional painters also are more than qualified to offer several decorative techniques to jazz up a slab, including:

  • Sandblast stencils, which can be stained or painted before or after the stencil is applied,
  • Flattoos, which are like tattoos for concrete, and
  • Modellos, one-time-use decorative masking patterns.

Sandblast Floor TreatmentAll three of these techniques can be used to form positive or negative images in any size imaginable. And usually, you can expect to receive your customized product within a week’s time after you sign off on the final design.

Sandblast stencils
If you want to leave a truly lasting impression, sandblasting stencils will produce images that look like they’ve been carved in stone. Besides borders, “There are so many awesome things you could do with stencils, such as rug designs, medallions and room centerpieces,” says Glen Roman, technical representative for Rancho Cucamonga, Calif.-based Brickform Rafco Products, a company that manufactures these specialty stencils.

Not applicable for soft surfaces, sandblasting can be used only on sealed concrete. The sealer acts like a skin that the template sticks to, Roman explains. “If the concrete wasn’t sealed, the stencil wouldn’t adhere properly under sandblast pressure.”

Roman says his company currently carries 12 stock border designs but adds that “99.9 percent of our work is all custom made.” On average, he says, expect to pay about $9 a square foot for a finished template, less if it’s a really big job.

Sandblast Floor TreatmentIf you want a custom stencil, contractors can send black-and-white camera-ready artwork, paper or digital high-resolution images, clip art from various art books or CAD renderings, but “Computer-generated vectorized images are the best,” Roman says.

As for surfaces, you’ll get your best results from concrete that has had a color hardener applied before sealing. “You’ll get a cleaner, denser, more sand-and-cement-like finish as opposed to an exposed aggregate finish after you sandblast,” Roman says. “You’ll get a real clean image.”

On the other hand, if you have a slab that contains large pieces of aggregate, it won’t do very well with an intricate design. “Aggregate is a very important factor to consider,” Roman notes, “as aggregates will not accept a chemically reactive stain.” In those instances where additional color is desired, he adds, you’d be better off with a paint-type coloring agent.

While training is not necessary to successfully sandblast, it is advisable, he says. Although Brickform Rafco doesn’t operate a training center, its distributors across the country hold periodic one-day classes at their various locations. Classes, which are a combination of demonstrations and hands-on training, typically are free.

Sandblast Floor TreatmentMost contractors that apply a sandblast stencil rent the sandblaster, compressor and necessary safety equipment for about $200 a day, Roman says. Besides this equipment, he adds, you’ll need application tools such as nontransfer duct tape, pick tools and disposable razorblades. In some instances, you may need a roofing torch when applying in cold temperatures or when you encounter a coarse broom finish or textured concrete surface. This will make the template more pliable, he explains.

Flattoos, a word coined by its maker Surface Gel Tek, is a process involving vinyl adhesive designs that is very much like tattooing images onto flat concrete surfaces. The Mesa, Ariz.-based company’s CEO and president, Tamryn Doolan, says they came up with the word about two years ago “because as soon as we said ‘stencils’ everyone thought we were in the business of sandblasting.”

To date, she has about 200 images and is always adding new designs. However, she says most of her work involves custom designs, in particular company logos and tag lines. All of the design work is done in-house, Doolan says. “We can start from scratch. If you give me a concept, I can take it from there. Or you can fax, e-mail or mail me a hard copy of what you have in mind. We can do faces, pets, whatever.” One of the more unusual stencils she’s created was for a saloon named after a black lab, Uncle Bear. The dog Flattoo looks very realistic, but “The tag line was the best,” she says, “It was: Come, sit, stay.”

On the practical side, Doolan notes, Flattoos can be used to etch in industrial symbols or words such as “exit” or “food court.” In fact, she continues, “We just recently solved Wal-Mart’s problems for an in-house maintenance program by getting OSHA-cited safety lines to stay on the concrete. It’s all in the gel technology.”

Flattoos, which are made out of a semi-transparent vinyl adhesive material, come in more than one piece. “The larger the design, the more pieces it comes in,” says Doolan. They can be placed on any unsealed vertical or horizontal flat cementituous surface, including overlayments. The surface needs to be dry before applying a Flattoo, Doolan says.

She advises contractors to take a Flattooing workshop to learn the proper techniques, which can include color layering. The next class, which covers a variety of decorative techniques, will be offered Feb. 17-18 at The Stamp Store in Oklahoma City. “At our workshops, nobody stands around and watches. Everybody has their hands on a Flattoo,” she says. She also holds one-day workshops about three times a year at her facility in Arizona. These classes cost $200 a person.


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