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All Weather Court
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Clay Court
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Har-Tru Court
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HydroCourt
All weather is basically an asphalt court with an acrylic coating on the
surface to seal the asphalt against the weather, and to give it color.
This is, what is known as a hard court. To soften the court we can add
layers of cushion to the surface acrylic coating. This is still considered a
hard surface - which is most difficult on the body.
The advantages of the All Weather Court is that it is durable, fast drying, and can be
played on for most of the year. In fact, as long as there is no snow or ice
on the ground, this court is usually playable.
Typically there is low maintenance on these courts, as they just need to
be kept clean of leaves and other debris.
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The Clay court has been around for many, many years. These courts are
typically constructed of natural clays, found in the ground all over long
Island.
Because of the use of natural clay and the varying thickness of this
layer, no two courts are the same. Every clay court will react differently
to rain, heat, etc. They are usually made of a thick layer of this clay.
(Typically eight to twenty inches thick).
This layer of clay is graded with pitch to run off water, flattened,
compacted and a layer of crushed stone is spread over it. The crushed stone
(usually two to four tons of Har-Tru) is no more than 1/10” thick and acts
as a sliding surface and gives the court its color and soft texture.
It is considered a soft surface, simply because you slide to a stop. This
makes it easier on the joints and rest of the body, compared to an
all-weather court.
This court’s advantages are it’s soft nature and it’s low
installation cost. These courts need yearly resurfacing (done in the spring)
and usually weekly maintenance. They must be swept (dragging a 7 ft’ wide
broom across the court) after play, to keep the court even and maintain a
true bounce.
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Har-Tru is a crushed naturally green stone. When this crushed stone is
watered and compacted, it takes on many of the characteristics of natural
clay, only better.
These courts are typically constructed over a 3” layer of
¾ inch stone, graded. Then a 1” layer of crushed stone screenings are
added and graded. Then a 1” layer of Har-Tru is added, watered and
compacted. The stone layer under the court allows the court to drain
quickly, which is why these are often referred to as Fast dry courts.
The advantages of these courts are their soft play and
relatively quick drying time after a rainfall. . These courts need yearly
resurfacing (done in the spring) and usually weekly maintenance. They also
must be swept (dragging a 7 ft’ wide broom across the court) after play,
to keep the court even and maintain a true bounce.
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How the HydroCourt system works:
HydroCourt as we know it today is a result of a simple, yet ingenious idea of
building a tennis court on top of a controlled water reservoir. Cells of ballast
stone are installed using the water itself as a leveling device. These leveled
cells are connected to small control boxes placed outside the court which
reflect the cells water level. A geo textile is then placed over the leveled
cells, protecting the cells from contamination. A layer of special stone
screenings is then applied, and HydroBlend surfacing is installed over the
cells. The water level in these cells is maintained by a float valve inside the
control box, operating like a simple toilet tank. Since the water is perfectly
level under each cell area, evaporation and capillary action provide water to
the top surface evenly. The only adjustment is the water level, and, once set,
it is maintained automatically. An overflow tube controls any water buildup due
to rain, making the system simple and reliable.
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