A novel polymer mixture having fast drying time, a multilayer article comprising at least two layers of the dried polymer mixture and having good mechanical properties, water resistance and weatherability, and a method of preparing the multilayer article.

An erosion resistant composition includes a granular material and a wax including oil in which a weight percent of the oil in the wax is between 0.01-15%. The granular material includes a sand and has a first resistance to flow prior to being coated with the wax. The wax at least partially coats a portion of the granular material to form the erosion resistant composition which has a second resistance to flow after coating that is greater than the first resistance to flow prior to coating. The erosion resistant composition may be used, for example, in golf course bunkers or other landscaping applications. Related methods of making the erosion resistant composition are also described in which the granular material is dried, the wax is heated, and the granular material is blended with the melted wax.

The present invention concerns a golf course bunker and a method of constructing a golf course bunker using concrete modified soil (CMS) as a backfill material to secure the bunker faade tiles into place.

A sub-irrigation system includes a special water distribution assembly that is able to rapidly disperse water underneath a court surface. The system has a water distribution assembly with a water channel and permeable fabric covering. The system also includes an electronic control system to monitor and maintain a desired moisture content of a court. Inevitable variations resulting from manual and gravity fed water control only are moderated or eliminated by the automatic control herein.

A sub-irrigation system includes a special water distribution assembly that is able to rapidly disperse water underneath a court surface. The system has a water distribution assembly with a water channel and permeable fabric covering. The system also includes an electronic control system to monitor and maintain a desired moisture content of a court. Inevitable variations resulting from manual and gravity fed water control only are moderated or eliminated by the automatic control herein.

An athletic play surface having a moisture-resistant substrate layer located on top of a base surface. A woven scrim layer is positioned on top of and adhered to the substrate layer. A plurality of open cells extend through the scrim layer. An encapsulation layer is formed using a flowable curable material that is poured over the scrim layer and that hardens. The curable material passes through the open cells of the scrim layer, contacts the base surface, and then substantially fills the plurality of open cells of the scrim layer. A portion of the encapsulation layer extends beyond a top of the scrim layer to a height H. A decorative layer, such as paint and court lines, may be applied on top of the encapsulation layer.

An athletic play surface having a moisture-resistant substrate layer located on top of a base surface. A woven scrim layer is positioned on top of and adhered to the substrate layer. A plurality of open cells extend through the scrim layer. An encapsulation layer is formed using a flowable curable material that is poured over the scrim layer and that hardens. The curable material passes through the open cells of the scrim layer, contacts the base surface, and then substantially fills the plurality of open cells of the scrim layer. A portion of the encapsulation layer extends beyond a top of the scrim layer to a height H. A decorative layer, such as paint and court lines, may be applied on top of the encapsulation layer.

An erosion resistant composition includes a granular material and a wax including oil in which a weight percent of the oil in the wax is between 0.01-15%. The granular material includes a sand and has a first resistance to flow prior to being coated with the wax. The wax at least partially coats a portion of the granular material to form the erosion resistant composition which has a second resistance to flow after coating that is greater than the first resistance to flow prior to coating. The erosion resistant composition may be used, for example, in golf course bunkers or other landscaping applications. Related methods of making the erosion resistant composition are also described in which the granular material is dried, the wax is heated, and the granular material is blended with the melted wax.

An erosion resistant composition includes a granular material and a wax including oil in which a weight percent of the oil in the wax is between 0.01-15%. The granular material includes a sand and has a first resistance to flow prior to being coated with the wax. The wax at least partially coats a portion of the granular material to form the erosion resistant composition which has a second resistance to flow after coating that is greater than the first resistance to flow prior to coating. The erosion resistant composition may be used, for example, in golf course bunkers or other landscaping applications. Related methods of making the erosion resistant composition are also described in which the granular material is dried, the wax is heated, and the granular material is blended with the melted wax.

A method and clay brick configuration for use in sports field construction having a generally rectangular paver like configuration with spaced parallel flat upper and lower surface portions with angular inclined spaced parallel side surfaces. Oppositely disposed substantially vertical end surfaces define the brick's overall length. The clay brick provides for interlocking surface to surface engagement during field construction and compaction in vertical and horizontal brick surface adjacent engagement placement.