| http://www.w3.org/ns/prov#value | - Preferably, the internal reinforcement means comprises a fiberglass scrim, fabric, mesh, FRP screen or wire screen material. [0011] The drain sealing device may be provided with structural sealing members, such as ridges or channels, on one or both sealing surfaces to increase the sealing efficacy between the device and the ground surface or grate.
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