The Stamped Concrete Revolution
The art and science of decorative stamped concrete has been practiced for the last 5 decades. But stamped concrete in Denver CO increased in demand in the late 1970s when it was first demonstrated at the Denver World of Concrete trade show. Concrete contractors saw it as a new way to satisfy Denver homeowners and make their budget work simultaneously.
When custom stamped concrete first began, there were very few choices of design and colors. However, as the procedure grew, more stamping patterns were being created along with many different types of stains to provide for the vivid colors and curb appeal that we produce today.
Another advantage to using stamped concrete, is that it can be applied to many different surfaces and textures, such as driveways, highways, patios, decks, and even floors inside the Denver home.
What is stamped concrete?
Stamped concrete can be patterned, textured or embossed to resemble brick, slate, flagstone, stone, tile, wood, and various other patterns and appearances. Stamped concrete is commonly used for patios, sidewalks, driveways, pool decks, and interior flooring. The nature of Denver stamped concrete, to resemble other building materials, makes stamped concrete a less expensive alternative to using authentic materials such as stone, slate or brick.
There are 3 phases used in Denver stamped concrete, which separates it from other decorative concrete procedures; the addition of a base color, the addition of an accent color, and stamping a pattern into the concrete. These three procedures provide Denver stamped concrete with a color and shape similar to other natural building materials but costing far less while being far more durable. It also is longer lasting than paved stone, and still resembles the look.
Procedures for stamped concrete
Adding base color – The base color is the main color used in Denver stamped concrete. The base color is chosen to reflect the color of the natural building material being imitated. The base color is produced by adding a color hardener to the concrete prior to the stamping. Color hardener is a powder pigment used to dye the concrete.
From Wikipedia –
The color hardener can be applied using one of two processes; integral color or cast-on color. Integral color is the procedure where the entire volume of concrete is dyed the base color. The entire volume of concrete is colored by adding the color hardener to the concrete truck, and allowing all the concrete in the truck to be dyed. Cast-on color is the procedure where the surface of the concrete is dyed the base color. The surface of the concrete is colored by spreading the color hardener onto the surface of the wet concrete and floating the powder into the top layer of the wet concrete.
Concrete can be colored in many ways; color hardener, integral liquid or powder, acid stains to name a few. The process of integrally coloring the concrete offers the advantage of the entire volume being colored; however, the surface strength is not increased as with the use of color hardener. Dry shake color hardener is another popular way to color concrete. You broadcast the hardener on the concrete as soon as it is floated for the first time. After letting the bleed water soak into the hardener you float and trowel it in. This method only covers the surface about 3/16 of an inch but it gives the concrete surface a longer wear life.
Adding accent color – The accent color is the secondary color used in stamped concrete. The secondary color is used to produce texture and show additional building materials (e.g. grout) in the stamped concrete. The accent color is produced by applying color release to the concrete. Color release has two purposes. Color release is a pigment used to color the concrete and color release is a non-adhesive used to prevent the concrete stamps from sticking to the concrete.
The color release can be applied in one of two procedures based on the two forms it is manufactured in: powdered (cast-on color release made up of calcium-releasing powders that repel water); or liquid – which is a light aromatic-based solvent, spray-on color release. Cast-on color release is a procedure where the powder color release is applied by spreading the color release on the surface of the concrete before the concrete is stamped. Spray-on color release is a procedure where liquid color release is sprayed on the bottom of the concrete stamps before the concrete is stamped.
Stamped concrete patterns – The pattern is the shape of the surface of the stamped concrete. The pattern reflects the shape of the natural building material. The pattern is made by imprinting the concrete shortly after it has been poured with a “concrete stamp”. Most modern concrete stamps are made of polyurethane, but older “cookie cutter” style stamps were made of various metals. The old style stamps lacked the capabilities of forming natural stone texture.
In most cases Denver concrete stamping is made to look like ordinary building products. Whether it be flagstone, brick, natural stone or any other common exterior looks, but there are many ways to personalize your own kind of stamp. It could be a homemade stamp or a recycled stamp, you can be as basic or as ornate as you wish.
The Process is easy, first find a design that you, the Denver homeowner, or contractor thinks will be a good fit. After making a mold of the desired stamp design, plan out the way it will look and fit in your designated area. The hardest part of stamping is the waiting, you must make sure the concrete is hard enough that the stamp won’t sink but loose enough that it will make a clean stamp. Do not be afraid of trying new and creative stamps around your house. However, remember to be sure to test the stamp on a demo before stamping onto the permanent surface.
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