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US 2021/0292979 A1Published application
Ballast System For Roof Protection
AssigneeWatershed Geosynthetic LLC
InventorBRADFORD H. COOLEY
Life of this patent
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Abstract
A tufted geosynthetic lightweight ballast system for roof protection in which the system comprises a composite of one or more geotextiles tufted with one or more synthetic yarns.
Claims16
A tufted geosynthetic lightweight ballast system for a protected membrane roof, wherein the ballast system comprises a composite of one or more geotextiles tufted with one or more synthetic yarns,
- wherein the one or more synthetic yarns are tufted into the one or more geotextiles to produce slender elongate elements having the appearance of grass,
- wherein each of the slender elongate elements has a length of about 0.25 to about 4 inches and
- wherein the weight of the ballast system without infill is between about 0.15 to about 2.0 pounds per square foot.
Dependencies are inferred from the claim text.