Abstract: Disclosed are cover systems for covering product such as grain. An example cover system includes a cover having at least one perforated tunnel extending across at least a portion of the cover (e.g., with an end to or beyond an edge of the cover). The perforated tunnel can include a bottom membrane with perforations, a cap strip membrane attached to the top side of the bottom membrane, and an air permeable filler material between the bottom membrane and the cap strip membrane. The perforated tunnel can have an air inlet at its end for drawing in air to hold down the cover by suction.

Abstract: Various embodiments disclosed relate to a sealed storage tank. The sealed storage tank includes a first polymeric layer. The sealed storage tank further includes a second polymeric layer continuously welded to the first polymeric layer to form the sealed storage tank. The sealed storage tank further includes an optional vent formed in the first polymeric layer or the second polymeric layer. The sealed storage tank can be configured to hold at least 13,000 liters of liquid.

Abstract: Disclosed are covering and strapping systems and methods for covering granular product such as grain. An example system includes a cover having a top side and a bottom side, multiple attachment implements directly connected to the top side of the cover, and a plurality of securing straps, each of the securing straps being connected to a respective attachment implement and thereby indirectly connected to the top side of the cover without running through a tunnel. The securing straps can extend beyond the edge of the cover for securing to a structure.

Abstract: A clip for securing one or more cover panels within a containment structure includes an annular portion partially-enclosing an internal space and two compressible legs adjoining opposite ends of the central portion. The clip further includes a clasp with first and second securing tabs configured to fixedly secure an object within the internal space and apply an outward force on the compressible legs.

Abstract: A holding tank cover includes a gas permeable insulating membrane and a gas impermeable cover layer sized to overlay and conceal the gas permeable membrane. Together, the gas permeable membrane and the gas impermeable cover layer facilitate a controlled transmission of gas between an interior of the holding tank and an environment external to the holding tank.

Abstract: A clip for securing one or more cover panels within a containment structure includes an annular portion partially-enclosing an internal space and two compressible legs adjoining opposite ends of the central portion. The clip further includes a clasp with first and second securing tabs configured to fixedly secure an object within the internal space and apply an outward force on the compressible legs.

Abstract: A clip for securing one or more cover panels within a containment structure includes an annular portion partially-enclosing an internal space and two compressible legs adjoining opposite ends of the central portion. The clip further includes a clasp with first and second securing tabs configured to fixedly secure an object within the internal space and apply an outward force on the compressible legs.

Abstract: In accordance with one implementation, a floating cover system includes a plurality of cover-tethering mounts mounted along the periphery of a holding tank. Each of the cover-tethering mounts includes a guide portion insertable through a cover-holding element that is attached along a periphery of a holding tank cover. When secured to the plurality of cover-tethering mounts, the holding tank cover can rise and fall within the holding tank responsive to volumetric changes in the liquid and/or gas contained in the holding tank.

Abstract: A holding tank cover includes a gas permeable insulating membrane and a gas impermeable cover layer sized to overlay and conceal the gas permeable membrane. Together, the gas permeable membrane and the gas impermeable cover layer facilitate a controlled transmission of gas between an interior of the holding tank and an environment external to the holding tank.

Abstract: A holding tank cover includes a gas permeable insulating membrane and a gas impermeable cover layer sized to overlay and conceal the gas permeable membrane. Together, the gas permeable membrane and the gas impermeable cover layer facilitate a controlled transmission of gas between an interior of the holding tank and an environment external to the holding tank.

Abstract: A clip for securing one or more cover panels within a containment structure includes an annular portion partially-enclosing an internal space and two compressible legs adjoining opposite ends of the central portion. The clip further includes a clasp with first and second securing tabs configured to fixedly secure an object within the internal space and apply an outward force on the compressible legs.

Abstract: A holding tank cover includes a gas permeable insulating membrane and a gas impermeable cover layer sized to overlay and conceal the gas permeable membrane. Together, the gas permeable membrane and the gas impermeable cover layer facilitate a controlled transmission of gas between an interior of the holding tank and an environment external to the holding tank.

Abstract: In accordance with one implementation, a floating cover system includes a plurality of cover-tethering mounts mounted along the periphery of a holding tank. Each of the cover-tethering mounts includes a guide portion insertable through a cover-holding element that it attached along a periphery of a holding tank cover. When secured to the plurality of cover-tethering mounts, the holding tank cover can rise and fall within the holding tank responsive to volumetric changes in the liquid and/or gas contained in the holding tank.