A construction method for playground surfacing. The method of the present invention including the steps of: a) preparing in situ a mixture comprising 29-70% by weight of cork granules and 30-71% by weight of a polymeric binder, at room temperature; b) pouring the mixture obtained in step a) on at least one surface area; c) compacting the mixture to a thickness in the range of 35-135 mm and to a density in the range of 100-300 kg/m.sup.3; and d) curing the compacted mixture from step c).

A construction method for playground surfacing. The method of the present invention including the steps of: a) preparing in situ a mixture comprising 29-70% by weight of cork granules and 30-71% by weight of a polymeric binder, at room temperature; b) pouring the mixture obtained in step a) on at least one surface area; c) compacting the mixture to a thickness in the range of 35-135 mm and to a density in the range of 100-300 kg/m.sup.3; and d) curing the compacted mixture from step c).

An edging interface for a golf course bunker includes a strip of backing divided longitudinally into a first portion and a second portion. The strip of backing is also laterally divided into a plurality of adjacent sections by a plurality of cuts, where each adjacent section is joined together at the first portion, and artificial turf is secured to the first portion. The second portion of each section is configured to be anchored between the golf course bunker and a grass edge of the golf course. The edging interface can be rolled up for handling and shipping, and unrolled in place for installation. The artificial turf comprises straight and curly yarn and has a color to match natural turf stacked bunker edges. In addition, the first portion and the second portion longitudinally divide the strip of backing into substantially equal portions.

A stabilized course sand bunker and method of making the same is disclosed. The soil making up the bunker is contoured and stabilized so that it is in the form of a pit having a downward angularly extending keyway surrounding the opening at the top edge of the pit. A semi-solid precursor material is applied over the pit and keyway and allowed to cure to form a barrier liner having a flanged anchoring portion for location under some additional soil and turf grass. Bunker sand is disposed over the barrier liner. The barrier liner when cured enables water in the bunker to pass through it, is sufficient flexible to dampen and absorb the impact of a golf ball strike, all the while stabilizing and protecting the edge of the bunker where the turf grass meets the sand in the bunker.

A stabilized course sand bunker and method of making the same is disclosed. The soil making up the bunker is contoured and stabilized so that it is in the form of a pit having a downward angularly extending keyway surrounding the opening at the top edge of the pit. A semi-solid precursor material is applied over the pit and keyway and allowed to cure to form a barrier liner having a flanged anchoring portion for location under some additional soil and turf grass. Bunker sand is disposed over the barrier liner. The barrier liner when cured enables water in the bunker to pass through it, is sufficient flexible to dampen and absorb the impact of a golf ball strike, all the while stabilizing and protecting the edge of the bunker where the turf grass meets the sand in the bunker.

A moisture holding material for blending with fill to form an engineered surface. The moisture holding material includes a first non-woven fabric coated in an aqueous superabsorbent polymer (SAP); a second non-woven fabric; fiber; and a fluff material that are chopped and applied topically within a surface, on various substrates including, but not limited to, rubber, sand, wood chippings, grass, soil, fiber, textile, clay or rock. A portion of the non-woven material is coated with SAP.

A method for producing polyurethane flooring includes providing polyurethane reactive components including a isocyanate component and a polyol component, determining environmental data, determining process parameters for mixing the polyurethane reactive components, wherein the process parameters depend on the environmental data, mixing the foam for the polyurethane flooring by mixing the isocyanate component and the polyol component using a froth foam process with the process parameters, applying a first lane of the liquid foam to a ground, applying a second lane of the liquid foam to the ground, wherein a side edge of the second lane gets in contact with a side edge of the first lane, wherein the process parameter are determined so that the foam of the first lane is not cured before applying the foam of the second lane. Furthermore, the invention relates to an apparatus and a system for producing a polyurethane flooring.

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 running track includes a reinforced concrete slab base that is poured over and around post-tensioning cables suspended therein. The post-tensioning cables include transverse cables that extend transversely across the base, and lengthwise cable structures extending lengthwise through the base. Each lengthwise cable structure includes a series of individual segments that are joined end-to-end to form respective continuous loops and are individually tensioned. The lengthwise cable structures thus exert compressive forces on the base that are continuous and uninterrupted about the circumferential length of the track. The lengthwise cable segments are joined/tensioned from within voids initially formed within the concrete base and, after tensioning, these voids are filled with concrete to provide a concrete base having a uniform top surface that can also be covered in a running surface.

The invention provides a riding surface formed of a mixture of sand with stone fibers.