Decorative Concrete
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| Bands |
Bands can be 6"-24" wide. The proportion of the bands size and the spacing of the bands are important when compared to the structure that the flatwork is in front of and the size of the concrete "fields" the bands abut. Bands can be any type of decorative concrete: stamped, exposed aggregate, colored concrete, salt finish—to name a few. Bands look best when contrasted against a different "field" decorative concrete. The rock in an exposed aggregate mix placed in bands can be stunning next to colored concrete fields, for example. Check the upper end model homes in your area for good ideas. |
| Broom Finishes |
Broom finishes can be light broom or coarse depending on the bristles of the broom you choose. This is not a fancy finish but provides a non-slip surface. Choose brooms specifically made for this purpose. See textured finishes. |
| Colored Concrete |
Various manufacturers make colors that can be placed "integral" to the mix or "dry shake" which is dusted on. See colored concrete. |
| Exposed Aggregate |
Colorful rocks are embedded in the concrete. When the top layer of cement paste is washed off either chemically, with water pressure, or sandblasted—the rocks show through. The rocks can be either "seeded" to the top of the concrete or in the entire mix. See exposed aggregate. |
| Fields |
Fields are larger areas of flatwork that go inside the "bands". If there are no bands each section of the flatwork may be considered a field. The fields may all have the same decorative flatwork finish or be different in an alternating pattern |
| Float and Trowel Textures |
Patterns can be made on the concrete, such as swirls, or different size arcs. The texture created can be coarse, medium, or smooth depending on the tool used to impart the pattern. Wood floats create coarser textures. Aluminum floats or steel trowels create medium or smooth finishes.
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| Painting Concrete |
Concrete that is well cured can be painted for colorful effects. Painting concrete is almost always done to existing concrete, after a repair for example, whereas colored concrete is done with freshly placed concrete and specifically for decorative purposes. See painting concrete. |
| Patterned Concrete |
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| Rock Salt Finish |
Water softener salt crystals 1/8" to 3/8" in size are broadcast onto the fresh concrete. A roller is then used to press the salt crystals into the concrete. The surface is later washed, dissolving the salt and leaving small holes. See textured finishes. |
| Sawcutting Concrete |
A power concrete saw can cut patterns into the concrete as soon as the concrete has hardened. |
| Scoring Concrete |
Decorative lines can be placed in concrete with "groovers." Groovers come in various depths and widths. See Scoring and Sawcutting for Special Effects. For decorative work, the groover must penetrate the concrete at least 1/4". If the groove is also serving as a control joint, the groove must be 25% the depth of the slab. See jointing concrete. |
| Stained Concrete |
Existing concrete can be dressed up by sawcutting patterns into the concrete and then staining different sections with concrete stains. Artisans can create variegated looks by blending stain colors on top each other. See staining concrete. |
| Stamped Concrete |
Concrete can be stamped to look like brick, cobblestone, slate, and a wide variety of other patterns. When combined with colored concrete the results can be fabulous. |
| Toppings |
Decorative flatwork can be produced with epoxy or another type of thin coating over existing concrete. Surface preparation and getting a good bond is critical in this procedure. See making existing concrete better. |
| Travertine Finishes | Often called Keystone. The concrete has a knock down finish with a smooth surface at its highest points, but rough in the low area. This is often used in hotter climates on pool decks and other surfaces desired to be cooler to the feet. Top |
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