The RDP-EX Direct Burial Vault Hatch Extension can be mounted to Roman Fountains RDP- 1, RDP-3, -4,and -5 vaults to raise the vault integral hatch by 6″ to offset grade changes, or to assist with positive drainage away from the vault opening.  The RDP-EX consists of 3′-4″ sq. X 6″ deep FRP vault hatch extension with white gel coat interior and brown gel-coat exterior.  The Hatch Extension is complete with a flange gasket, Stainless Steel flange fasteners, and caulk sealant. Please refer to the cut sheet for additional information.

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