Staining outdoor concrete surfaces like patios and driveways

Some see concrete. We see a canvass. Staining outdoor concrete surfaces like patios, driveways, walkways, etc., is a fast, easy, affordable way to transform a dull gray outdoor concrete surface into something colorful and wonderful. It just takes a little knowledge.

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Polished Concrete Flooring Options for Your Basement

Imagine being able to transform your basement floor into any color, design or pattern you want for your family. Decorative concrete resurfacing is the answer. This is the application of new concrete on top of an existing surface.

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Acid Stained Concrete: Should I Resurface Before Staining?

Chemical stains (acid stains) are water based acidic solutions of metallic salts react with the lime in the concrete. After the chemical reaction is completed, the stains (which are actually metallic oxides) become integral part of the concrete and gives it a beautiful mottled colored surface. The critical element of coloring concrete surfaces with an acid stain or chemical stain is the reaction between the stain and lime in the concrete.

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How to Acid Stain Concrete Floors: Painted or Sealed

Chemical staining concrete produces rich, deep, translucent tones unlike paints or coatings that produce a solid, opaque effect. Depending on the color and application techniques used, the results can mimic everything from polished marble to tanned leather to natural stone or even stained wood.

Surface Preparation

Acid Staining and Sealed

The chemical stains (or acid stains) react with the concrete’s lime content and produce the color. If the concrete surface is painted or sealed, acid stains cannot penetrate the concrete and react with the lime. Therefore, a concrete surface that is painted or sealed cannot be acid stained.

Do you have to remove the paint or sealer from the concrete surface to acid stain it?

Not necessarily!

With the advent of latest acrylic polymer modified concrete, it is possible to apply a thin layer (1/8inch thick) of concrete over an existing painted or sealed concrete surface with minimal surface preparation. Please find below typical steps involved in applying a micro-topping / concrete overlay and acid staining over a painted or sealed concrete surface.

  1. Run a sander with 60 grit sanding screen over the entire surface. To ensure that the paint or sealer is bonded to the substrate, run the sander for at least 1 hour for every 1000ft2.
  2. Rinse the floor with mild detergent and allow it to dry completely.
  3. Apply a liberal coat of acrylic primer, CP1000.
  4. Allow this primer cure overnight (at least 10 hours).
  5. Apply a second coat of acrylic primer, CP1000. The second coat needs to be applied just to damp the surface.
  6. Once the primer turns clear and it is dry to touch, it is ready to accept the concrete overlay.
  7. Apply the polymer modified concrete overlay, Skraffino. A minimum of two coats is recommended. Skraffino is available in two bases - Grey and White. It is available in three different grades - Regular, Fine and Superfine.
  8. After 24 hours of the curing of polymer concrete overlay Skraffino, it is ready to accept acid stains (chemical stains).
  9. Spray the acid stain, Patinaetch at the rate of 250ft2/gal. Allow it to react for with the lime in the concrete for at least 2-3 hours. Follow the standard process of cleaning off the residue. Pay particular attention to cleaning the residue and neutralizing the surface with ammonia.
  10. Allow the surface to dry for at least 24 hours, before sealing it with one coat of water based epoxy, Perdure E32 and one coat of water based polyurethane, Perdure U46.
  11. You can watch the complete installation process on this page - https://www.duraamen.com/video-gallery/how-install-concrete-overlays-microtoppings-skimcoats
  12. Please note that this system works as long as the paint is well bonded to the substrate. Before proceeding with this installation ensure that the paint is well bonded to the substrate. 

Please Contact Us to discuss your next concrete flooring project.

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DIY Guide to Stained Concrete Floors

Commercial venues need to look good for any occasion. Commercial carpeting plays an important role in making a place look neat and well-kept. However, they may get worn out due to consistent and heavy foot traffic. Same goes with concrete flooring. Over the years they can lose their gloss, turn dull, get stained and even develop cracks. So it makes more sense to take away the carpets and create an artistic surface on a stained or cut floor. You can customize the problems areas and enhance the look of the flooring.

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How to Protect Your Stained Concrete Floors?

Protect your stained concrete floors with acrylic, epoxy and/or polyurethane topcoats depending on the space - residential or commercial. When it comes to sealers for your stained concrete floors, there is no shortage of products, brands, and contracting companies from which to obtain them. Much less readily available is the expertise or even basic understanding necessary for the selection and application of such products from the very people who offer them. This leads to problems down the line that require time and funds to correct, along with the familiar frustration that has become associated with sealers and the applicators of such sealers.

 

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What is the difference between Concrete Stains and Dyes

The advent of latest concrete stains and dyes has allowed for faster and reliable flooring installations and fewer failures, causing an increase in the popularity of concrete stains and dyes as a mainstream flooring option. The traditional look of concrete stains is now feeling the pressure of the ever-changing color and pattern of trends generated from the commercial flooring industry. Traditionalists hold true to the earth-tone variegated hues of acid stains, while new generation installers embrace easy-to-use media and bright colors.

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How to Stain Concrete Floors?

Stained concrete floors offer a fantastic variety of design possibilities to residential and commercial spaces. Concrete staining requires not only skill but also an ability to understand how to prepare a concrete surface to accept the color.

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Polished concrete flooring using Concrete Dyes in Appliance Store

Polished concrete floors were installed recently in a appliance store in Akron, PA using concrete dyes, water based epoxy and polyurethane topcoats.

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DIY - Polished Concrete flooring over gypsum underlayment

Gypsum cement floor underlayments and radiant floor heating systems are being specified in multi-level condominiums, hotels and high-rise buildings in conjunction with stained concrete flooring or polished concrete flooring. Past technology did not allow concrete overlays or micro-toppings to be installed directly to the surface of a gypsum substrate. Duraamen's concrete micro topping has been successfully installed over gypsum based underlayments. Once the gypsum based sub-floor is properly installed and cured in accordance with the manufacturer's directions, preparation for the installation of concrete overlay may begin.

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