Instant Classic: Har-Tru Green Clay

Har-Tru Green Clay is the world's leading clay court surface.

HAR-TRU is made from billion-year-old Pre-Cambrian metabasalt found in the Blue Ridge Mountains of Virginia. It is a natural green stone that is extremely hard and angular — two very important qualities when it comes to tennis court construction.

The angularity helps the stone particles lock together to form a stable playing surface. The hardness provides exceptional durability. The natural green color is classically clay, instantly recognizable, and improves visibility as well.

The stone is crushed, screened, and mixed in the precise proportions necessary to produce a stable playing surface. It is then installed over a porous base of crushed stone aggregate to produce the final product.

Our team can help you through every stage of planning and operating your court

Key Benefits & Features

  • HAR-TRU is a unique crushed stone product that confers many benefits to court owners and tennis players.
  • Often referred to as “fast-dry,” HAR-TRU dries quickly after a rain. It also allows you to continue play through light rain.
  • HAR-TRU is 10–15 degrees cooler to play on than a hard court.
  • HAR-TRU is easier on the body and reduces the incidence of common tennis injuries to the lower extremities.
  • HAR-TRU is quickly and easily installed and can be constructed directly on top of hard courts.
  • HAR-TRU is a porous surface that reduces runoff and soil erosion. Consequently, HAR-TRU can be installed in locations where many tennis court surfaces cannot due to zoning restrictions.
  • HAR-TRU never cracks and repairs are simple and inexpensive.
  • With simple, consistent care your HAR-TRU court will last forever.
  • Har-Tru Green Clay
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  • American Red Clay
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  • All-Weather Clay
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