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Joe Knows Concrete

  • The step forms shown here are tiered and cantilevered with texture formliners included in both the cantilever and the inset section.

    Forming Concrete Steps

    Following up from last month's column, Joe Nasvik discusses materials and procedures needed to properly form concrete stairs.

     
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    How to Lay Out Steps

    Layout out steps isn't easy, so here are some guidelines to help with quick, accurate layout.

     
  • Shown here are scratches made with different pick numbers. The #4 scratch is barely visible so the reading would be between #4 and #5.

    Assessing Concrete Hardness Before Polishing

    Performing the scratch test helps contractors decide which diamond tooling is best for the job.

     
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    UV Curing Acrylic Resin

    UV-cured acrylic resins offer many benefits to contractors and owners.

     
  • Metallic oxide pigmented acrylic water-based stain was used on this commercial floor.

    Working with Water-Based Stains

    There are different types of water-based stains on the market. Here is what they are and how to use them.

     
  • Durable, Decorative Concrete

    High durability concrete has both positive and negative consequences for decorative concrete contractors.

     
  • Using stencils helps to create 3D images. Stencil layering makes it possible to bring colors tightly together at sharp lines.

    Working With Multilayer Stencils

    Learn how to use multilayered stencils to produce 3D images on concrete.

     
  • Vertical overlay concrete can be applied very thin or very thick. In either case it must bond well to the substrate, retain enough moisture to cure properly, and it mustnt sag or run

    Troubleshooting Vertical Overlays

    Learn about what can go wrong with overlay applications and what to do when it does.

     
  • The cement finisher shown here is masking an area to be patched.

    Patching Decorative Concrete

    Find out how to patch architectural and decorative concrete.

     
  • Owners and specifiers like dye colorations for their translucent effect on concrete, both color and concrete become part of the finished look.

    What Are Dye Stains and How Do You Apply Them?

    Learn the definition of what dyes are and how to use them.

     
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    Stamps and Textures

    Stamping patterns and textures in concrete started in the 1950s and still is considered to be the bread-and-butter of the decorative industry.

     
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    Should You Cure Decorative?

    Few professional concrete organizations would suggest that concrete should not be cured, though some exceptions exist.

     
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    Air-Entraining Decorative Concrete

    Air-entraining admixtures are the most problematic of all admixtures for manufacturers, ready-mix producers, and concrete contractors.

     
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    Installing Vertical Overlays

    Vertical overlay concrete or grout is used to complete vertical rock-work, thinset coatings on walls, stamped masonry unit patterning, free-standing art sculpting, and architectural detailing. They can be built up as much as 3 inches in thickness without sagging or slumping.

     
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    Brush-Up on Polished Concrete

    When owners and specifiers know the required type of finish for an application, contractors can bid prices that everyone understands.

     
  • Artistry in Concrete 2010

    The demonstrations covered a variety of techniques.

     
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    Self-Leveling Overlays

    Self-leveling overlays can be installed very quickly. You can place and finish more product per day, per worker than with any other cast-in-place decorative product.

     
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    GFRC Countertop Construction

    GFRC isn't new to the concrete industry but its use in concrete countertops is a recent phenomenon.

     
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    Artistry 2010

    Eight years ago, the editors of CONCRETE CONSTRUCTION thought it would be a good idea to highlight decorative concrete at the World of Concrete (WOC).

     
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    Using Acid Stains

    Acid stain technology is at least 120 years old, exceeded only by integral color as a concrete coloring medium.

     
 
 
 
 

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